:root {
            --primary-color: #0054a6;
            --secondary-color: #e30613;
            --accent-color: #ffc600;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Roboto', Arial, sans-serif;
        }

        body {
            color: var(--dark-color);
            line-height: 1.6;
            background-color: #fff;
        }

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

        header {
            background-color: var(--primary-color);
            color: white;
            padding: 20px 0 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 20px;
            flex-wrap: wrap;
        }

        .logo-text h1 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .logo-text p {
            font-size: 14px;
            opacity: 0.9;
        }

        .header-contacts {
            text-align: right;
        }

        .header-contacts a {
            color: white;
            text-decoration: none;
            display: block;
            margin-bottom: 5px;
            transition: opacity 0.3s;
        }

        .header-contacts a:hover {
            opacity: 0.8;
        }

        .main-nav {
            background-color: rgba(0, 0, 0, 0.15);
        }

        .nav-container {
            display: flex;
            justify-content: center;
        }

        .nav-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-item {
            position: relative;
        }

        .nav-item:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }

        .nav-item:hover:after {
            width: 80%;
        }

        .nav-link {
            display: block;
            color: white;
            text-decoration: none;
            padding: 15px 20px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .nav-link:hover {
            color: var(--accent-color);
        }

        .hero {
            background: linear-gradient(rgba(0, 84, 166, 0.88), rgba(0, 84, 166, 0.88)), url('https://images.unsplash.com/photo-1581091226033-d5c48150dbaa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 70px 0;
            text-align: center;
        }

        .hero h2 {
            font-size: 38px;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .hero h3 {
            font-size: 22px;
            font-weight: 500;
            margin-bottom: 20px;
            opacity: 0.95;
        }

        .hero p {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto 30px;
        }

        .btn {
            display: inline-block;
            background-color: var(--accent-color);
            color: var(--dark-color);
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            background-color: #e6b800;
            transform: translateY(-2px);
        }

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

        .btn-primary:hover {
            background-color: #c00511;
        }

        section {
            padding: 60px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 45px;
        }

        .section-title h2 {
            font-size: 32px;
            color: var(--primary-color);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
        }

        .about-conference {
            background-color: var(--light-color);
        }

        .about-content {
            max-width: 1000px;
            margin: 0 auto;
        }

        .about-content p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 16px;
        }

        .organizers-block {
            background: white;
            padding: 25px 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 30px;
            border-left: 4px solid var(--secondary-color);
        }

        .organizers-block p {
            margin-bottom: 12px;
        }

        .slogan {
            font-size: 1.1rem;
            color: var(--primary-color);
            text-align: center;
            margin-top: 20px;
            padding-top: 15px;
            border-top: 1px dashed #ccc;
        }

        .audience-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .audience-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid rgba(0, 84, 166, 0.1);
        }

        .audience-icon {
            color: var(--primary-color);
            font-size: 28px;
            margin-right: 20px;
            min-width: 35px;
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }

        .value-card {
            background: white;
            padding: 25px 20px;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
            display: flex;
            align-items: flex-start;
            gap: 15px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(0,84,166,0.1);
        }

        .value-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0,84,166,0.15);
        }

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

        .value-text {
            font-size: 16px;
            line-height: 1.5;
        }

        .value-text strong {
            color: var(--primary-color);
            display: block;
            margin-bottom: 8px;
            font-size: 1.1em;
        }

        .program {
            background-color: #f9f9f9;
        }

        .program-day {
            background-color: white;
            border-radius: 16px;
            padding: 35px;
            margin-bottom: 45px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid rgba(0,84,166,0.08);
        }

        .program-day:hover {
            box-shadow: 0 15px 35px rgba(0,84,166,0.12);
        }

        .program-day-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
            flex-wrap: wrap;
        }

        .program-day-icon {
            background: linear-gradient(135deg, var(--primary-color), #003d7a);
            width: 55px;
            height: 55px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 26px;
            box-shadow: 0 6px 12px rgba(0,84,166,0.2);
        }

        .program-day h3 {
            background: none;
            color: var(--primary-color);
            padding: 0;
            margin: 0;
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }

        .program-day-sub {
            color: var(--secondary-color);
            font-weight: 600;
            font-size: 1.1rem;
            margin: 5px 0 15px 0;
            display: inline-block;
            background: rgba(227,6,19,0.08);
            padding: 5px 15px;
            border-radius: 30px;
        }

        .program-location {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #5a6874;
            font-size: 0.95rem;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px dashed #e0e7ef;
        }

        .program-location i {
            color: var(--primary-color);
            font-size: 16px;
        }

        .speaker-card {
            background: linear-gradient(105deg, #f8faff 0%, #ffffff 100%);
            border-left: 5px solid var(--accent-color);
            padding: 18px 22px;
            margin: 20px 0;
            border-radius: 14px;
            transition: all 0.2s;
            box-shadow: 0 2px 6px rgba(0,0,0,0.03);
        }

        .speaker-card:hover {
            background: #ffffff;
            box-shadow: 0 8px 20px rgba(0,84,166,0.08);
            transform: translateX(4px);
        }

        .speaker-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .speaker-name i {
            color: var(--secondary-color);
            font-size: 18px;
        }

        .speaker-title {
            font-weight: 500;
            color: #2c3e50;
            margin-top: 6px;
            font-size: 0.95rem;
        }

        .program-theme {
            font-weight: 700;
            font-size: 1.1rem;
            color: #1e2f3e;
            margin: 20px 0 10px 0;
            padding-left: 10px;
            border-left: 3px solid var(--secondary-color);
        }

        .program-theme i {
            color: var(--secondary-color);
            margin-right: 8px;
        }

        .program-text {
            margin-bottom: 8px;
            color: #2c3e50;
            line-height: 1.55;
            font-size: 1rem;
        }

        .program-list {
            margin-left: 25px;
            margin-bottom: 20px;
        }

        .program-list li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 5px;
        }

        .partner-note {
            background: linear-gradient(135deg, #eef2fa 0%, #f9fbfe 100%);
            padding: 18px 22px;
            border-radius: 14px;
            margin: 20px 0;
            border-left: 4px solid var(--primary-color);
            font-size: 0.95rem;
        }

        .section-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin: 30px 0 20px;
        }

        .section-divider-line {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
            flex: 1;
        }

        .section-divider i {
            color: var(--primary-color);
            background: white;
            padding: 0 10px;
            font-size: 20px;
        }

        .packages {
            background: linear-gradient(135deg, #f5f7fa 0%, #fff 100%);
        }

        .package-cards {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .package-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            width: 100%;
            max-width: 380px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
            position: relative;
            border: 1px solid #e0e0e0;
            transition: transform 0.2s;
        }

        .package-card:hover {
            transform: translateY(-5px);
        }

        .package-card.premium {
            border: 2px solid var(--accent-color);
        }

        .package-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent-color);
            color: var(--dark-color);
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 14px;
        }

        .package-card h3 {
            color: var(--primary-color);
            font-size: 24px;
            margin-bottom: 15px;
            text-align: center;
        }

        .package-price {
            font-size: 32px;
            font-weight: bold;
            color: var(--secondary-color);
            text-align: center;
            margin-bottom: 25px;
        }

        .package-features {
            list-style: none;
        }

        .package-features li {
            margin-bottom: 12px;
            padding-left: 28px;
            position: relative;
            line-height: 1.5;
        }

        .package-features i {
            position: absolute;
            left: 0;
            top: 4px;
            color: var(--secondary-color);
        }

        .location {
            background-color: #f9f9f9;
        }

        .location-content {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .location-info {
            flex: 1;
            min-width: 280px;
        }

        .location-address, .location-contacts {
            background: white;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }

        .location-address i, .location-contacts i {
            color: var(--secondary-color);
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .location-address h3, .location-contacts h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 20px;
        }

        .transport-list {
            list-style: none;
        }

        .transport-list li {
            margin-bottom: 12px;
            padding-left: 28px;
            position: relative;
        }

        .transport-list i {
            position: absolute;
            left: 0;
            top: 3px;
            color: var(--primary-color);
        }

        .location-map {
            flex: 2;
            height: 380px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .registration {
            background-color: var(--primary-color);
            color: white;
        }

        .registration .section-title h2 {
            color: white;
        }

        .registration .section-title h2:after {
            background-color: var(--accent-color);
        }

        .registration-form {
            max-width: 800px;
            margin: 40px auto 0;
        }

        .form-row {
            display: flex;
            gap: 30px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .form-group {
            flex: 1;
            min-width: 200px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-group input, .form-group select {
            width: 100%;
            padding: 12px 15px;
            border-radius: 6px;
            border: none;
            font-size: 16px;
            background-color: rgba(255,255,255,0.95);
        }

        .form-submit {
            text-align: center;
            margin-top: 30px;
        }

        .form-notice {
            font-size: 13px;
            margin-top: 15px;
            color: rgba(255,255,255,0.8);
        }

        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 40px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-column h3 {
            color: var(--accent-color);
            margin-bottom: 20px;
            font-size: 18px;
        }

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

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

        .footer-column a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-column a:hover {
            color: white;
        }

        .footer-column i {
            margin-right: 10px;
            width: 22px;
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #999;
            font-size: 14px;
        }

        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            .header-contacts {
                text-align: center;
                margin-top: 10px;
            }
            .nav-link {
                padding: 10px 15px;
            }
            .hero h2 {
                font-size: 28px;
            }
            .program-day {
                padding: 20px;
            }
            .program-day h3 {
                font-size: 22px;
            }
            .location-map {
                height: 280px;
            }
            .speaker-card {
                padding: 12px 16px;
            }
        }

#form-success-container,
#form-error-container,
.additiona-info,
.kontact_person_box {
	display: none;
}