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

:root {
    --primary-blue: #0066CC;
    --secondary-blue: #0052A3;
    --light-blue: #E6F2FF;
    --dark-blue: #003D7A;
    --accent-blue: #00A3E0;
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --gray: #6B7280;
    --dark-gray: #374151;
    --text-dark: #1F2937;
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #00A3E0 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 102, 204, 0.95) 0%, rgba(0, 163, 224, 0.95) 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Navigation Menu */
.main-navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.main-navigation.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

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

.nav-logo {
    flex-shrink: 0;
}

.nav-logo-img {
    height: 32px;
    width: auto;
    filter: brightness(0) saturate(100%) invert(15%) sepia(88%) saturate(2231%) hue-rotate(190deg) brightness(94%) contrast(102%);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    padding: 10px 16px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    border-radius: 25px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
    background: rgba(0, 102, 204, 0.08);
}

.nav-link.active {
    color: var(--primary-blue);
    background: rgba(0, 102, 204, 0.15);
    font-weight: 600;
    border-bottom: 3px solid var(--primary-blue);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.2);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.nav-register-btn {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.nav-register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    gap: 3px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle:hover span {
    background: var(--primary-blue);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Language Toggle */
.language-toggle {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 999;
    background: var(--white);
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    padding: 4px;
    display: flex;
    gap: 4px;
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray);
}

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

.lang-btn:hover:not(.active) {
    background: var(--light-gray);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--primary-blue);
    margin-top: 70px;
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%230066CC;stop-opacity:1" /><stop offset="100%" style="stop-color:%2300A3E0;stop-opacity:1" /></linearGradient></defs><rect fill="url(%23grad1)" width="1200" height="600"/><circle cx="1000" cy="100" r="300" fill="rgba(255,255,255,0.05)"/><circle cx="200" cy="500" r="200" fill="rgba(255,255,255,0.05)"/><path d="M 0 300 Q 300 200 600 300 T 1200 300" stroke="rgba(255,255,255,0.1)" fill="none" stroke-width="2"/><path d="M 0 400 Q 300 300 600 400 T 1200 400" stroke="rgba(255,255,255,0.1)" fill="none" stroke-width="2"/></svg>'),
        var(--gradient-hero);
    background-size: cover;
    background-position: center;
    animation: heroBackground 20s ease infinite;
}

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

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

.hero-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.logo {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
}

.logo-divider {
    color: var(--white);
    font-size: 32px;
    font-weight: 300;
    opacity: 0.7;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease;
}

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

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--white);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.event-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 500;
}

.info-item svg {
    width: 24px;
    height: 24px;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--primary-blue);
    padding: 18px 48px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease 0.6s backwards, pulse 2s ease infinite;
}

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

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    animation: bounce 2s ease infinite;
}

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

/* Section Styles */
.section {
    padding: 100px 0;
    position: relative;
}

.section:nth-child(even) {
    background: var(--light-gray);
}

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

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.header-line {
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Event Description */
.description-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: start;
}

.description-main h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.description-main p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.benefits-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.benefit-card {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.benefit-card h4 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.benefit-card p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.6;
}

/* Why Attend */
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.reason-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.reason-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--light-blue);
    margin-bottom: 20px;
    line-height: 1;
}

.reason-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.reason-card p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.7;
}

/* Agenda Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--light-blue);
}

.timeline-item {
    position: relative;
    padding-left: 140px;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 72px;
    top: 5px;
    width: 18px;
    height: 18px;
    background: var(--primary-blue);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--white), 0 0 0 6px var(--primary-blue);
}

.timeline-time {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-blue);
    width: 60px;
}

.timeline-content {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--gray);
    font-size: 1rem;
}

/* Speakers */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.speaker-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.speaker-image {
    width: 100%;
    height: 300px;
    background: var(--light-blue);
    overflow: hidden;
    position: relative;
}

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

.speaker-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.speaker-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 25px 20px 10px;
}

.speaker-role {
    color: var(--gray);
    font-size: 1rem;
    margin: 0 20px 5px;
}

.speaker-company {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0 20px 25px;
}

/* Registration Hero Section */
.registration-hero {
    padding: 0;
    min-height: 100vh;
    background: var(--light-gray);
    display: flex;
    align-items: center;
}

.registration-wrapper {
    display: grid;
    grid-template-columns: 400px 1fr;
    min-height: 100vh;
    width: 100%;
}

.registration-sidebar {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.registration-sidebar::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.registration-sidebar::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -30%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.registration-content {
    position: relative;
    z-index: 10;
}

.registration-content h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--white);
}

.registration-content .header-line {
    margin: 0 0 40px 0;
    background: var(--white);
}

.registration-benefits {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.reg-benefit {
    display: flex;
    gap: 15px;
    align-items: start;
}

.reg-benefit-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    backdrop-filter: blur(10px);
}

.reg-benefit-icon svg {
    color: var(--white);
}

.reg-benefit h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--white);
}

.reg-benefit p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

.event-countdown-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.event-countdown-card p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-display {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.countdown-item {
    text-align: center;
}

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

.countdown-label {
    display: block;
    font-size: 0.75rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.registration-form-container {
    background: var(--light-gray);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 40px 80px 40px;
    overflow-y: auto;
    overflow-x: hidden;
}

.form-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 700px;
    min-height: 1100px;
    height: auto;
    overflow: visible;
    position: relative;
}

.form-card iframe {
    width: 100%;
    min-height: 1100px;
    height: 100%;
    border: none;
    display: block;
}

/* Location */
.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.location-info h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.location-room {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.location-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

.location-detail {
    display: flex;
    gap: 15px;
    align-items: start;
}

.location-detail svg {
    color: var(--primary-blue);
    flex-shrink: 0;
    margin-top: 3px;
}

.location-detail strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.location-detail p {
    color: var(--gray);
}

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

.calendar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 25px;
    background: var(--white);
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.calendar-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.location-map {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 400px;
}

.location-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* FAQ Section */
.faq {
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.faq-item {
    background: var(--light-gray);
    border-radius: 16px;
    padding: 30px;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.faq-item:hover {
    border-left-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.faq-item h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.4;
}

.faq-item p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 15px;
    filter: brightness(0) invert(1);
}

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

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

.social-links a:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal-links {
    margin-top: 15px;
    font-size: 0.9rem;
}

.footer-legal-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal-links a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-separator {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.4);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 15px 20px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-register-btn {
        display: none;
    }

    .language-toggle {
        top: 20px;
        right: 70px;
    }

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

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        padding-left: 70px;
    }

    .timeline-item::before {
        left: 22px;
    }

    .timeline-time {
        position: static;
        margin-bottom: 10px;
    }

    .registration-wrapper {
        grid-template-columns: 1fr;
    }

    .registration-sidebar {
        min-height: auto;
        padding: 50px 30px;
    }

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

    .registration-form-container {
        min-height: 100vh;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
        height: 60px;
    }

    .nav-logo-img {
        height: 28px;
    }

    .nav-menu {
        top: 60px;
    }

    .hero {
        margin-top: 60px;
    }

    .language-toggle {
        top: 15px;
        right: 70px;
    }

    .section {
        padding: 60px 0;
    }

    .hero-logos {
        gap: 20px;
    }

    .logo {
        height: 40px;
    }

    .event-info {
        gap: 20px;
    }

    .info-item {
        font-size: 1rem;
    }

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

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

    .benefits-cards {
        grid-template-columns: 1fr;
    }

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

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

    .language-toggle {
        top: 10px;
        right: 10px;
    }

    .registration-sidebar {
        padding: 40px 25px;
    }

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

    .registration-benefits {
        gap: 20px;
    }

    .countdown-display {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .countdown-number {
        font-size: 1.5rem;
    }

    .countdown-label {
        font-size: 0.65rem;
    }

    .registration-form-container {
        padding: 20px 20px 60px 20px;
    }

    .form-card {
        min-height: 1000px;
    }

    .form-card iframe {
        min-height: 1000px;
    }
}

@media (max-width: 480px) {
    .cta-button {
        padding: 15px 35px;
        font-size: 1rem;
    }

    .calendar-buttons {
        gap: 10px;
    }

    .calendar-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

/* Cookie Consent Banner (GDPR) */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(31, 41, 55, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    animation: slideUp 0.4s ease-out;
}

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

.cookie-consent-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.cookie-consent-text {
    flex: 1;
    min-width: 300px;
}

.cookie-consent-text h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.cookie-consent-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
}

.cookie-consent-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.cookie-btn-accept {
    background: var(--primary-blue);
    color: var(--white);
}

.cookie-btn-accept:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.4);
}

.cookie-btn-essential {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-btn-essential:hover {
    background: rgba(255, 255, 255, 0.2);
}

.cookie-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.cookie-link:hover {
    color: var(--white);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .cookie-consent {
        padding: 15px;
    }

    .cookie-consent-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .cookie-consent-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .cookie-btn {
        width: 100%;
        text-align: center;
    }
}

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

/* Loading animation */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.loading {
    animation: shimmer 2s infinite;
    background: linear-gradient(to right, #f0f0f0 8%, #f8f8f8 18%, #f0f0f0 33%);
    background-size: 1000px 100%;
}