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

        body {
            font-family: 'Inter', sans-serif;
            background: #f2f5f9;
            color: #1a2639;
            line-height: 1.5;
            overflow-x: hidden;
        }

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

        /* типографика */
        h1 {
            font-size: clamp(2.8rem, 8vw, 4.8rem);
            font-weight: 600;
            line-height: 1.1;
            letter-spacing: -0.02em;
            color: #1a2639;
        }

        h2 {
            font-size: clamp(2rem, 5vw, 2.8rem);
            font-weight: 500;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: #1a2639;
        }

        .soft-accent {
            color: #3a5f6e;
            font-weight: 500;
        }

        /* кнопка */
        .btn-soft {
            background: transparent;
            border: 1.5px solid #3a5f6e;
            color: #1a2639;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 500;
            border-radius: 40px;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(4px);
            text-align: center;
            text-decoration: none;
        }

        .btn-soft:hover {
            background: #3a5f6e;
            color: #ffffff;
            border-color: #3a5f6e;
            box-shadow: 0 8px 20px rgba(58, 95, 110, 0.15);
        }
        
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 32px;
            align-items: center;
        }

        .hero-buttons .btn-soft {
            flex: 0 1 auto;
            min-width: 200px;
        }

        @media (max-width: 600px) {
            .hero-buttons .btn-soft {
                flex: 1 1 100%;
                text-align: center;
            }
        }

        /* шапка */
        .header {
            padding: 20px 0;
            position: relative;
            border-bottom: 1px solid rgba(58, 95, 110, 0.1);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 500;
            letter-spacing: -0.02em;
            color: #1a2639;
            padding-bottom: 4px;
        }
        
        .logo-light {
            border-bottom: 2px solid #3a5f6e;
            padding-bottom: 4px;
        }
        
        .logo-bold {
            border-bottom: none;
        }

        .nav {
            display: flex;
            gap: 48px;
        }

        .nav a {
            text-decoration: none;
            color: #1a2639;
            font-weight: 400;
            transition: color 0.2s;
            font-size: 1rem;
            border-bottom: 1px solid transparent;
            padding-bottom: 4px;
        }

        .nav a:hover {
            color: #3a5f6e;
            border-bottom-color: #3a5f6e;
        }

        /* hero */
        .hero {
            padding: 100px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: 
                radial-gradient(circle at 20% 30%, rgba(58, 95, 110, 0.03) 0%, transparent 30%),
                radial-gradient(circle at 80% 70%, rgba(58, 95, 110, 0.03) 0%, transparent 35%),
                repeating-linear-gradient(45deg, rgba(58, 95, 110, 0.02) 0px, rgba(58, 95, 110, 0.02) 1px, transparent 1px, transparent 20px);
            z-index: -2;
        }

        .hero-content {
            max-width: 820px;
        }

        .hero p {
            font-size: 1.25rem;
            color: #3a4a5a;
            margin: 24px 0 32px;
            max-width: 600px;
        }

        /* бегущая строка */
        .marquee-section {
            margin-top: 80px;
            padding: 24px 0;
            border-top: 1px solid rgba(58, 95, 110, 0.15);
            border-bottom: 1px solid rgba(58, 95, 110, 0.15);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(4px);
            width: 100%;
            position: relative;
        }

        .marquee-wrapper {
            display: flex;
            width: fit-content;
            will-change: transform;
        }

        .marquee-content {
            display: flex;
            white-space: nowrap;
            flex-shrink: 0;
            gap: 60px;
        }

        .marquee-content span {
            color: #3a5f6e;
            font-size: 1.2rem;
            font-weight: 400;
            opacity: 0.7;
            letter-spacing: 0.5px;
        }

        .marquee-section:hover .marquee-wrapper {
            animation-play-state: paused;
        }

        /* блок "мы не прячемся" */
        .approach {
            padding: 70px 0;
            background: rgba(58, 95, 110, 0.02);
            margin: 30px 0;
            border-radius: 60px;
            position: relative;
            overflow: hidden;
        }

        .approach-bg {
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(58,95,110,0.08) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }

        .approach .container {
            position: relative;
            z-index: 2;
        }

        .approach-text {
            max-width: 600px;
        }

        .approach-text p {
            font-size: 1.3rem;
            color: #1a2639;
            margin: 24px 0 16px;
            font-weight: 400;
            line-height: 1.5;
        }

        .dots-line {
            display: flex;
            gap: 12px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .dot-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(58, 95, 110, 0.1);
            transition: all 0.2s;
        }

        .dot-item:nth-child(odd) {
            background: rgba(58, 95, 110, 0.2);
        }

        .dot-item:hover {
            background: #3a5f6e;
            transform: scale(1.1);
        }

        /* процесс */
        .process {
            padding: 60px 0 40px;
            text-align: center;
        }

        .timeline-simple {
            display: flex;
            flex-wrap: nowrap;
            justify-content: center;
            gap: 20px 40px;
            margin: 30px 0 20px;
            position: relative;
        }

        .timeline-simple::before {
            content: '';
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            left: 5%;
            width: 90%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #3a5f6e 20%, #3a5f6e 80%, transparent);
            z-index: 0;
        }

        .step-mini {
            background: #ffffff;
            border-radius: 60px;
            padding: 16px 24px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
            border: 1px solid rgba(58, 95, 110, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
            z-index: 3;
            position: relative;
            backdrop-filter: blur(4px);
            font-size: 1rem;
            flex: 0 1 auto;
            min-width: 140px;
            justify-content: center;
        }

        /* визуальный "калькулятор" */
        .visual-tool {
            padding: 60px 0 80px;
        }

        .tool-card {
            background: rgba(255,255,255,0.7);
            backdrop-filter: blur(16px);
            border-radius: 48px;
            padding: 48px;
            border: 1px solid rgba(58,95,110,0.15);
            box-shadow: 0 20px 40px -10px rgba(58,95,110,0.1);
        }

        .range-row {
            display: flex;
            align-items: center;
            gap: 24px;
            margin: 40px 0 20px;
            flex-wrap: wrap;
        }

        .range-label {
            min-width: 140px;
            color: #3a4a5a;
        }

        .range-visual {
            flex: 1;
            height: 6px;
            background: rgba(58,95,110,0.2);
            border-radius: 3px;
            position: relative;
        }

        .range-fill {
            width: 60%;
            height: 6px;
            background: #3a5f6e;
            border-radius: 3px;
            transition: width 0.2s;
        }

        .handle {
            width: 20px;
            height: 20px;
            background: white;
            border: 2px solid #3a5f6e;
            border-radius: 50%;
            position: absolute;
            top: -7px;
            left: 60%;
            transform: translateX(-50%);
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .tool-hint {
            color: #1a2639;
            font-weight: 500;
            background: rgba(58,95,110,0.1);
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.95rem;
        }

        /* подвал с логотипами */
        .footer-logos {
            border-top: 1px solid rgba(58,95,110,0.2);
            padding: 40px 0;
            margin-top: 60px;
            background: rgba(255,255,255,0.3);
            backdrop-filter: blur(4px);
        }

        /* контакт */
        .contact {
            padding: 60px 0;
            text-align: center;
        }

        .contact small {
            color: #3a5f6e;
            font-size: 0.95rem;
        }

        .footer-note {
            padding: 30px 0;
            text-align: center;
            color: #3a5f6e;
            font-size: 0.9rem;
            border-top: 1px solid rgba(58,95,110,0.1);
        }

        /* анимация при скролле */
        [data-fade] {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s, transform 0.6s;
        }
        [data-fade].shown {
            opacity: 1;
            transform: translateY(0);
        }

        @media (max-width: 700px) {
            .nav { display: none; }
            .timeline-simple { flex-direction: column; align-items: center; }
            .timeline-simple::before { display: none; }
            .step-mini { justify-content: center; }
            .range-row { flex-direction: column; align-items: flex-start; }
        }

        /* ===== КОНСТРУКТОР - ТОЛЬКО АДАПТИВНОСТЬ ===== */
        /* Базовые стили оставлены без изменений, добавлены только медиа-запросы */
        .configurator {
            background: rgba(255,255,255,0.8);
            backdrop-filter: blur(16px);
            border-radius: 64px;
            padding: 60px;
            border: 1px solid rgba(58,95,110,0.15);
            box-shadow: 0 30px 60px -20px rgba(58,95,110,0.3);
            margin: 80px 0;
        }
        .configurator h1 {
            font-size: 3rem;
            font-weight: 600;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .configurator .subtitle {
            font-size: 1.3rem;
            color: #3a4a5a;
            max-width: 700px;
            margin-bottom: 48px;
            line-height: 1.6;
        }
        .params-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-bottom: 48px;
        }
        .param-group {
            background: rgba(255,255,255,0.5);
            border-radius: 32px;
            padding: 28px;
            border: 1px solid rgba(58,95,110,0.1);
        }
        .param-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 24px;
            color: #1a2639;
        }
        .options-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .option-card {
            background: white;
            border: 1.5px solid rgba(58,95,110,0.2);
            border-radius: 24px;
            padding: 20px;
            cursor: pointer;
            transition: all 0.2s;
            text-align: center;
        }
        .option-card:hover {
            border-color: #3a5f6e;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px -5px rgba(58,95,110,0.2);
        }
        .option-card.selected {
            background: #3a5f6e;
            border-color: #3a5f6e;
        }
        .option-card.selected .card-icon,
        .option-card.selected .card-name,
        .option-card.selected .card-desc {
            color: white;
        }
        .card-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
            color: #3a5f6e;
        }
        .card-name {
            font-weight: 600;
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: #1a2639;
        }
        .card-desc {
            font-size: 0.9rem;
            color: #3a4a5a;
            line-height: 1.5;
        }
        .features-section {
            margin-bottom: 48px;
        }
        .features-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .features-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .feature-tag {
            background: white;
            border: 1.5px solid rgba(58,95,110,0.2);
            border-radius: 60px;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .feature-tag:hover {
            border-color: #3a5f6e;
            background: rgba(58,95,110,0.05);
        }
        .feature-tag.selected {
            background: #3a5f6e;
            border-color: #3a5f6e;
        }
        .feature-tag.selected .feature-name,
        .feature-tag.selected .feature-icon {
            color: white;
        }
        .feature-icon {
            font-size: 1.3rem;
            color: #3a5f6e;
        }
        .feature-name {
            font-weight: 500;
            color: #1a2639;
        }
        .result-card {
            background: linear-gradient(145deg, rgba(58,95,110,0.05), rgba(58,95,110,0.02));
            border-radius: 48px;
            padding: 48px;
            border: 1px solid rgba(58,95,110,0.15);
        }
        .result-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 20px;
        }
        .result-title {
            font-size: 1.8rem;
            font-weight: 600;
        }
        .config-badge {
            background: #3a5f6e;
            color: white;
            padding: 12px 28px;
            border-radius: 60px;
            font-size: 1.2rem;
            font-weight: 500;
        }
        .result-description {
            font-size: 1.2rem;
            color: #1a2639;
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 800px;
        }
        .result-features {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .result-feature {
            background: rgba(255,255,255,0.6);
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.95rem;
            border: 1px solid rgba(58,95,110,0.15);
        }
        .action-buttons {
            display: flex;
            gap: 16px;
        }
        .btn-primary {
            background: #3a5f6e;
            border: none;
            color: white;
            padding: 16px 40px;
            border-radius: 60px;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid #3a5f6e;
        }
        .btn-primary:hover {
            background: transparent;
            color: #1a2639;
        }
        .reset-link {
            margin-top: 24px;
            text-align: right;
        }
        .reset-btn {
            background: none;
            border: none;
            color: #3a5f6e;
            text-decoration: underline;
            cursor: pointer;
            font-size: 1rem;
        }

        /* ===== ТОЛЬКО МЕДИА-ЗАПРОСЫ ДЛЯ АДАПТИВНОСТИ КОНСТРУКТОРА ===== */
        /* Приводят элементы в порядок на всех устройствах */
        @media (max-width: 1200px) {
            .configurator {
                padding: 50px;
                margin: 70px 0;
            }
        }

        @media (max-width: 992px) {
            .configurator {
                padding: 40px;
                border-radius: 48px;
            }
            .configurator h1 {
                font-size: 2.5rem;
            }
            .params-grid {
                gap: 30px;
                margin-bottom: 40px;
            }
            .features-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 768px) {
            .configurator {
                padding: 30px;
                border-radius: 40px;
                margin: 50px 0;
            }
            .configurator h1 {
                font-size: 2.2rem;
            }
            .configurator .subtitle {
                font-size: 1.2rem;
                margin-bottom: 32px;
            }
            .params-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 32px;
            }
            .param-group {
                padding: 24px;
            }
            .options-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .features-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .feature-tag {
                padding: 12px 16px;
            }
            .result-card {
                padding: 32px;
            }
            .result-title {
                font-size: 1.6rem;
            }
            .config-badge {
                font-size: 1.1rem;
                padding: 10px 24px;
            }
        }

        @media (max-width: 600px) {
            .configurator {
                padding: 24px;
                border-radius: 32px;
                margin: 40px 0;
            }
            .configurator h1 {
                font-size: 1.8rem;
                margin-bottom: 12px;
            }
            .configurator .subtitle {
                font-size: 1.1rem;
                margin-bottom: 28px;
            }
            .param-group {
                padding: 20px;
            }
            .options-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .option-card {
                padding: 16px;
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            .card-icon {
                font-size: 1.8rem;
                margin-bottom: 8px;
            }
            .card-name {
                font-size: 1rem;
                margin-bottom: 4px;
            }
            .card-desc {
                font-size: 0.8rem;
            }
            .features-list {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .feature-tag {
                padding: 12px;
                justify-content: center;
            }
            .result-card {
                padding: 24px;
                border-radius: 32px;
            }
            .result-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                margin-bottom: 24px;
            }
            .result-title {
                font-size: 1.4rem;
            }
            .config-badge {
                font-size: 1rem;
                padding: 8px 20px;
                align-self: flex-start;
            }
            .result-description {
                font-size: 1rem;
                margin-bottom: 24px;
            }
            .result-features {
                gap: 8px;
                margin-bottom: 24px;
            }
            .result-feature {
                font-size: 0.85rem;
                padding: 6px 14px;
            }
            .action-buttons {
                flex-direction: column;
                gap: 12px;
            }
            .btn-primary {
                width: 100%;
                padding: 14px;
                font-size: 1rem;
            }
            .reset-link {
                margin-top: 20px;
            }
        }

        @media (max-width: 380px) {
            .configurator {
                padding: 16px;
            }
            .param-group {
                padding: 16px;
            }
            .result-card {
                padding: 20px;
            }
            .config-badge {
                font-size: 0.9rem;
                padding: 6px 16px;
            }
        }
.partners-grid {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 20px;
    align-items: center;
    margin: 20px 0;
}

.partner-item {
    display: inline-block;
    width: 110px;
    height: auto;
    transition: all 0.3s ease;
    filter: grayscale(0.3);
    opacity: 0.9;
}

.partner-item img {
    width: 110px;
    height: auto;
    display: block;
    border-radius: 16px;
}

.partner-item:hover {
    transform: translateY(-5px);
    filter: grayscale(0);
    opacity: 1;
}

/* Адаптация для мобильных */
@media (max-width: 600px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .partner-item {
        max-width: 160px;
    }
}

@media (max-width: 400px) {
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .partner-item {
        max-width: 200px;
    }
}