* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background: #020c1a;
            color: #eef5ff;
            overflow-x: hidden;
            -webkit-tap-highlight-color: transparent;
        }
        /* custom scrollbar */
        ::-webkit-scrollbar { width: 5px; }
        ::-webkit-scrollbar-track { background: #021020; }
        ::-webkit-scrollbar-thumb { background: #2dd4bf; border-radius: 10px; }

        /* 3D canvas background */
        #canvas3d {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
            will-change: transform;
        }

        /* main content layer */
        .content {
            position: relative;
            z-index: 2;
        }

        /* hero section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 1.5rem;
            background: radial-gradient(circle at 20% 30%, rgba(0,30,45,0.6), rgba(2,12,26,0.85));
            backdrop-filter: blur(2px);
        }
        .hero h1 {
            font-size: clamp(2rem, 8vw, 5rem);
            font-weight: 800;
            background: linear-gradient(135deg, #a0f0ff, #2dd4bf, #0f766e);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: clamp(0.95rem, 4vw, 1.2rem);
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }
        .glass-stat {
            background: rgba(10, 30, 45, 0.5);
            backdrop-filter: blur(12px);
            border-radius: 2rem;
            border: 1px solid rgba(45,212,191,0.3);
            padding: 1rem 1.5rem;
            transition: all 0.4s;
        }
        .glass-card {
            background: rgba(8, 28, 45, 0.65);
            backdrop-filter: blur(12px);
            border-radius: 1.5rem;
            border: 1px solid rgba(45,212,191,0.2);
            padding: 1.5rem;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .glass-card:hover {
            transform: translateY(-5px);
            border-color: #2dd4bf;
            box-shadow: 0 20px 35px -12px rgba(45,212,191,0.2);
        }
        .section {
            padding: 3rem 1rem;
            border-bottom: 1px solid rgba(45,212,191,0.15);
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        h2 {
            font-size: clamp(1.6rem, 5vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: inline-block;
            border-left: 5px solid #2dd4bf;
            padding-left: 1rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        .stat-number {
            font-size: clamp(2rem, 6vw, 2.8rem);
            font-weight: 800;
            color: #2dd4bf;
            line-height: 1;
        }
        .icon-big {
            font-size: 2rem;
            color: #2dd4bf;
            margin-bottom: 0.8rem;
        }
        .btn-glow {
            background: linear-gradient(90deg, #0f766e, #2dd4bf);
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 3rem;
            font-weight: 600;
            color: #021020;
            transition: 0.2s;
            display: inline-block;
            margin-top: 1rem;
            cursor: pointer;
            font-size: 0.9rem;
        }
        .btn-glow:hover {
            transform: scale(1.03);
            box-shadow: 0 0 20px #2dd4bf;
        }
        footer {
            text-align: center;
            padding: 2rem 1rem;
            font-size: 0.75rem;
            opacity: 0.7;
            border-top: 1px solid rgba(45,212,191,0.2);
        }
        canvas.chart-canvas {
            max-height: 250px;
            width: 100% !important;
            height: auto !important;
        }
        .badge-icon {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(45,212,191,0.15);
            border-radius: 40px;
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            flex-wrap: wrap;
        }
        /* Адаптивные отступы и размеры */
        @media (max-width: 768px) {
            .section {
                padding: 2rem 0.5rem;
            }
            .glass-card {
                padding: 1.2rem;
            }
            .hero {
                padding: 1rem;
            }
            .grid-2, .grid-3 {
                gap: 1rem;
            }
            .badge-icon {
                font-size: 0.7rem;
                padding: 0.3rem 0.7rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .btn-glow {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
            }
        }
        /* очень маленькие телефоны */
        @media (max-width: 480px) {
            .glass-card {
                border-radius: 1.2rem;
            }
            .icon-big {
                font-size: 1.6rem;
            }
            h2 {
                margin-bottom: 1rem;
            }
            .container {
                padding: 0 0.75rem;
            }
        }
        .floating {
            animation: float 5s ease-in-out infinite;
        }
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        /* Улучшенная читаемость на мобильных */
        p, li, .badge-icon {
            line-height: 1.4;
        }
        /* отключение hover на тач-устройствах для карточек (чтобы не было залипания) */
        @media (hover: none) {
            .glass-card:hover {
                transform: none;
                box-shadow: none;
            }
        }