:root {
            --primary: #3b82f6;
            --primary-dark: #1e40af;
            --text: #1a1a1a;
            --muted: #6b7280;
            --card: #fcfcfc;
            --radius: 20px;
            --shadow: 0 8px 30px rgba(0,0,0,0.08);
        }

        * { box-sizing: border-box; }

        body {
            margin: 0;
            font-family: system-ui, sans-serif;
            background: #ffffff;
            color: var(--text);
            overflow-x: hidden;
        }

        .blob {
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.45;
            z-index: -1;
            animation: floatBlob 12s ease-in-out infinite;
        }

        .blob-blue { background: #a5c8ff; }
        .blob-pink { background: #ffb3d1; }
        .blob-green { background: #b8ffda; }
        .blob-purple { background: #d5b8ff; }
        .blob-yellow { background: #fff3b8; }

        @keyframes floatBlob {
            0%   { transform: translate(0px, 0px) scale(1); }
            25%  { transform: translate(40px, -20px) scale(1.1); }
            50%  { transform: translate(-20px, 30px) scale(0.95); }
            75%  { transform: translate(30px, 20px) scale(1.05); }
            100% { transform: translate(0px, 0px) scale(1); }
        }

        header {
            position: sticky;
            top: 0;
            background: rgba(255,255,255,0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e5e7eb;
            z-index: 20;
        }

        nav {
            max-width: 1200px;
            margin: auto;
            padding: 16px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        nav .brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
        }

        nav a {
            margin-left: 24px;
            text-decoration: none;
            color: var(--muted);
            font-weight: 500;
            padding-bottom: 4px;
            transition: 0.2s;
        }

        nav a.active,
        nav a:hover {
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
        }

        section {
            padding: 70px 24px;
            max-width: 1200px;
            margin: auto;
        }

        section.active { display: block; }

        .hero {
            background: linear-gradient(135deg, #e8f0ff, #ffffff);
            padding: 120px 24px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 10px;
            color: var(--primary-dark);
        }

        .hero p {
            max-width: 600px;
            margin: auto;
            color: var(--muted);
        }

        .grid { display: grid; gap: 24px; }

        @media (min-width: 900px) {
            .grid-2 { grid-template-columns: 1fr 1fr; }
            .grid-3 { grid-template-columns: repeat(3, 1fr); }
            .grid-4 { grid-template-columns: repeat(4, 1fr); }
        }

        .card {
            background: var(--card);
            padding: 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            opacity: 0;
            transform: translateY(30px);
            transition: 0.7s ease;
        }

        .card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .btn {
            display: inline-block;
            padding: 12px 22px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 12px;
            transition: 0.2s;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #3b82f6, #1e40af);
            color: white;
            box-shadow: 0 4px 20px rgba(59,130,246,0.4);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #1e40af, #3b82f6);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(59,130,246,0.08);
        }

        .price {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
        }

        .team-photo {
            width: 100%;
            height: 160px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, #3b82f6, #1e40af);
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .team-photo h3 {
            color: white;
            margin: 0;
            font-size: 1.4rem;
        }

        .product-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.4);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 999;
        }