@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;600&display=swap');

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

        body {
            background: #0b0b0b;
            color: #fff;
        }

        .roadmap {
            position: relative;
            max-width: 900px;
            margin: auto;
            padding: 80px 20px 1500px;
            /* ← این خط رو عوض کن */
        }

        .roadmap-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .roadmap-header h1 {
            color: #0dff00;
            font-size: 36px;
            text-shadow: 0 0 15px rgba(13, 255, 0, .6);
        }

        .roadmap-header p {
            color: #aaa;
            margin-top: 10px;
        }

        /* مسیر مارپیچ */
        .roadmap-line {
            position: absolute;
            top: 200px;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            height: 1600px;
            z-index: 1;
        }

        .roadmap-line path {
            fill: none;
            stroke: #0dff00;
            stroke-width: 6;
            stroke-dasharray: 12;
            animation: dash 10s linear infinite;
        }

        /* مراحل */
        .step {
            position: absolute;
            display: flex;
            align-items: center;
            gap: 20px;
            opacity: 0;
            transform: translateY(40px);
            transition: 0.8s ease;
            z-index: 10;
        }

        .step.show {
            opacity: 1;
            transform: translateY(0);
        }

        .circle {
            width: 30px;
            height: 30px;
            background: #0b0b0b;
            border: 3px solid #0dff00;
            border-radius: 50%;
            box-shadow: 0 0 15px rgba(13, 255, 0, .6);
            flex-shrink: 0;
            z-index: 11;
        }

        .topic {
            display: inline-block;
            background: linear-gradient(135deg, #0dff00, #00ff9f);
            border-radius: 16px;
            padding: 12px 22px;
            color: #000;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 0 15px rgba(13, 255, 0, .5);
            position: relative;
            z-index: 10;
            transition: 0.3s;
        }

        .topic:hover {
            transform: scale(1.05);
            box-shadow: 0 0 25px rgba(13, 255, 0, .8);
        }

        /* موقعیت مراحل (چپ و راست مسیر) */
        .s1 {
            top: 220px;
            left: 55%;
            flex-direction: row;
        }

        .s2 {
            top: 400px;
            left: 15%;
            flex-direction: row-reverse;
        }

        .s3 {
            top: 580px;
            left: 55%;
            flex-direction: row;
        }

        .s4 {
            top: 760px;
            left: 15%;
            flex-direction: row-reverse;
        }

        .s5 {
            top: 940px;
            left: 55%;
            flex-direction: row;
        }

        .s6 {
            top: 1120px;
            left: 15%;
            flex-direction: row-reverse;
        }

        .s7 {
            top: 1300px;
            left: 55%;
            flex-direction: row;
        }

        .s8 {
            top: 1480px;
            left: 15%;
            flex-direction: row-reverse;
        }

        /* انیمیشن مسیر */
        @keyframes dash {
            to {
                stroke-dashoffset: 200;
            }
        }

        /* Responsive موبایل */
        @media(max-width:768px) {
            .roadmap-line {
                height: 1200px;
            }

            .step {
                left: 50% !important;
                flex-direction: column;
                transform: translateX(-50%) translateY(40px);
                text-align: center;
            }

            .step.show {
                transform: translateX(-50%) translateY(0);
            }

            .topic {
                white-space: normal;
                max-width: 200px;
                margin-top: 10px;
            }
        }