  :root {
            --orange: #f97316;
            --orange-dark: #ea580c;
            --orange-light: #ffedd5;
        }

        .top-bar {
            border-bottom: 1px solid #ffe2c4;
            padding: 1rem 0;
            margin-bottom: 1.8rem;
        }
        .logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ea580c, #f97316);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }

        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            padding-bottom: 0.5rem;
            border-bottom: 4px solid var(--orange);
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 1rem 0;
            color: #c2410c;
        }

        .flex-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
            margin: 2rem 0;
        }
        .flex-col {
            flex: 1;
            min-width: 260px;
        }
        .img-card {
            background: #fff7ed;
            border-radius: 1.5rem;
            padding: 0.8rem;
            text-align: center;
            border: 1px solid #ffedd5;
        }
        .img-card img {
            max-width: 100%;
            border-radius: 1rem;
            height: auto;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .tech-item {
            background: white;
            border-radius: 1.5rem;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            border: 1px solid #fff0e0;
        }
        .tech-item i {
            font-size: 2.2rem;
            color: var(--orange);
            margin-bottom: 0.8rem;
        }

        .table-wrapper {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 1.2rem;
            border: 1px solid #ffe7d4;
            background: white;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        th {
            background: #fff3e8;
            padding: 1rem;
            text-align: center;
        }
        td {
            border-bottom: 1px solid #f0e4d8;
            padding: 0.9rem;
            text-align: center;
        }

        /* slider layout */
        .slide-layout {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            background: #fffaf5;
            border-radius: 2rem;
            padding: 1.8rem;
            margin: 2rem 0;
            align-items: stretch;
        }
        .slide-gallery {
            flex: 1.2;
            min-width: 320px;
        }
        .main-image {
            text-align: center;
            margin-bottom: 1rem;
        }
        .main-image img {
            width: 100%;
            max-height: 680px;
            object-fit: contain;
            border-radius: 1.2rem;
            background: #fef3e8;
            box-shadow: 0 6px 14px rgba(0,0,0,0.05);
        }
        .thumb-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: center;
            margin-top: 1rem;
        }
        .thumb-item {
            width: 90px;
            cursor: pointer;
            border-radius: 0.7rem;
            overflow: hidden;
            border: 2px solid transparent;
            transition: 0.2s;
            background: white;
        }
        .thumb-item img {
            width: 100%;
            height: 70px;
            object-fit: cover;
            display: block;
        }
        .thumb-item.active {
            border-color: var(--orange);
            transform: scale(1.02);
            box-shadow: 0 4px 10px rgba(249,115,22,0.3);
        }
        .slide-text {
            flex: 1;
            background: white;
            border-radius: 1.5rem;
            padding: 1.5rem;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
            border: 1px solid #ffe0c0;
        }
.slide-text li{ line-height: 29px  }
.btn-pdf {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #dc2626;
            color: white;
            padding: 0.6rem 1.2rem;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.85rem;
            width: fit-content;
            margin-top: 1.2rem;
            transition: 0.2s;
            border: none;
            cursor: pointer;
        }
        .btn-pdf i {
            font-size: 1rem;
        }
        .btn-pdf:hover {
            background: #b91c1c;
            transform: translateY(-2px);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .grid-4 img {
            width: 100%;
            aspect-ratio: 1 / 0.9;
            object-fit: cover;
            border-radius: 1rem;
            background: #fff7ed;
            padding: 4px;
            border: 1px solid #ffe0c0;
        }

        .apps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .app-icon-card {
            background: white;
            border-radius: 1.5rem;
            padding: 1.2rem;
            text-align: center;
            border: 1px solid #ffecd9;
        }
        .app-icon-card i {
            font-size: 2.2rem;
            color: var(--orange);
        }

        .quote-box {
            background: linear-gradient(105deg, #fff4e6, #ffe8d4);
            border-radius: 2rem;
            padding: 2rem;
            text-align: center;
            margin: 2.5rem 0;
            border: 1px solid #ffd9b5;
        }
        .contact-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        .contact-btn {
            background: var(--orange);
            color: white;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--orange);
            color: var(--orange-dark);
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: 0.2s;
        }
        .btn-outline:hover {
            background: var(--orange);
            color: white;
        }
        footer {
            text-align: center;
            padding: 2rem;
            border-top: 1px solid #ffe2c4;
            margin-top: 2rem;
        }

        @media (max-width: 1200px) {
            .grid-4 { grid-template-columns: repeat(2,1fr); }
            .apps-grid { grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 800px) {
            .container { padding: 0 1.2rem; }
            h1 { font-size: 2rem; }
            .thumb-item { width: 70px; }
            .thumb-item img { height: 55px; }