@font-face {
            font-family: 'IRANSansWeb';
            src: url('/skins/default/fonts/IRANSansWeb_FaNum.woff2') format('woff2'),
                 url('/skins/default/fonts/IRANSansWeb_FaNum.woff') format('woff');
            font-weight: 400;
            font-display: swap;
        }

        :root {
            --ink: #102a33;
            --muted: #56697a;
            --bg: #f5f7f9;
            --surface: #ffffff;
            --line: #e1e7ec;
            --brand: #0d6e64;
            --brand-deep: #0b3b3c;
            --brand-soft: #e5f2f0;
            --accent: #d98b1c;
            --accent-soft: #fbefdc;
            --danger: #b3261e;
            --radius: 14px;
            --shadow: 0 1px 2px rgba(16, 42, 51, .06), 0 8px 24px rgba(16, 42, 51, .06);
            --font: 'IRANSansWeb', 'Vazirmatn', Tahoma, 'Segoe UI', sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; }

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            font-family: var(--font);
            font-size: 15px;
            line-height: 1.9;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a { color: var(--brand); }

        img, svg { max-width: 100%; }

        .container { width: min(1180px, 100% - 40px); margin-inline: auto; }

        .skip-link {
            position: absolute; inset-inline-start: 12px; top: -48px;
            background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 20;
        }
        .skip-link:focus { top: 12px; }

        :focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

        .icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

        /* ---------------------------------------------------------------- header */
        .site-header {
            position: sticky; top: 0; z-index: 10;
            background: rgba(11, 59, 60, .96);
            backdrop-filter: saturate(1.4) blur(8px);
            color: #fff;
        }
        .site-header .container { display: flex; align-items: center; gap: 24px; min-height: 64px; }
        .brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 17px; }
        .brand-mark { width: 34px; height: 34px; }
        .nav { display: flex; gap: 22px; margin-inline-start: auto; }
        .nav a { color: #cfe3e0; text-decoration: none; font-size: 14px; }
        .nav a:hover { color: #fff; }

        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            font: inherit; font-weight: 700; font-size: 15px;
            padding: 10px 20px; border-radius: 10px; border: 1px solid transparent;
            cursor: pointer; text-decoration: none; transition: background .15s, transform .15s;
        }
        .btn:active { transform: translateY(1px); }
        .btn-accent { background: var(--accent); color: #1d1300; }
        .btn-accent:hover { background: #e79a2c; }
        .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .35); }
        .btn-ghost:hover { background: rgba(255, 255, 255, .08); }
        .btn-brand { background: var(--brand); color: #fff; }
        .btn-brand:hover { background: #0b5f56; }
        .btn[disabled] { opacity: .65; cursor: progress; }
        .site-header .btn { padding: 7px 16px; font-size: 14px; }

        /* ---------------------------------------------------------------- hero */
        .hero {
            background:
                radial-gradient(900px 420px at 15% 0%, rgba(217, 139, 28, .16), transparent 60%),
                linear-gradient(160deg, #0b3b3c 0%, #0d5550 55%, #0f6a61 100%);
            color: #fff;
            padding: 64px 0 88px;
            overflow: hidden;
        }
        .hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
        .eyebrow {
            display: inline-flex; align-items: center; gap: 8px;
            font-size: 13px; color: #f6d9aa; background: rgba(217, 139, 28, .14);
            border: 1px solid rgba(217, 139, 28, .35); padding: 3px 12px; border-radius: 999px;
        }
        .hero h1 { font-size: clamp(28px, 3.6vw, 42px); line-height: 1.5; margin: 18px 0 14px; font-weight: 800; }
        .hero h1 span { color: #f3c77f; }
        .hero p.lead { font-size: 17px; color: #d6e8e5; margin: 0 0 28px; max-width: 34em; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
        .hero-facts { display: flex; flex-wrap: wrap; gap: 28px; margin: 36px 0 0; padding: 0; list-style: none; }
        .hero-facts li { display: flex; flex-direction: column; }
        .hero-facts strong { font-size: 26px; color: #fff; line-height: 1.3; }
        .hero-facts span { font-size: 13px; color: #b9d4d0; }

        /* grid children default to min-width:auto and a wide table would push the page sideways */
        .hero .container > *, .spotlight > *, .demo .container > *, .glance > *, .platform > * { min-width: 0; }
        .mock table { table-layout: fixed; }
        .mock td, .mock th { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

        /* mock window : illustrative data only, never real shareholders */
        .mock {
            background: var(--surface); color: var(--ink);
            border-radius: 16px; box-shadow: 0 30px 70px rgba(0, 0, 0, .35);
            overflow: hidden;
            font-size: 13px;
        }
        .mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #eef2f5; border-bottom: 1px solid var(--line); }
        .mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #cfd8df; display: block; }
        .mock-bar b { margin-inline-start: 10px; font-weight: 700; color: var(--muted); font-size: 12px; }
        .mock-body { display: grid; grid-template-columns: 132px 1fr; min-height: 300px; }
        .mock-menu { background: #0b3b3c; color: #cfe3e0; padding: 12px 0; }
        .mock-menu div { padding: 5px 14px; font-size: 12px; }
        .mock-menu div.on { background: rgba(255, 255, 255, .1); color: #fff; border-inline-start: 3px solid var(--accent); }
        .mock-main { padding: 14px; }
        .mock-person { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .mock-avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--brand-soft); display: grid; place-items: center; color: var(--brand); font-weight: 700; }
        .mock-person small { display: block; color: var(--muted); font-size: 11px; line-height: 1.5; }
        .mock-tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 10px; }
        .mock-tabs span { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: #f0f3f6; color: var(--muted); }
        .mock-tabs span.on { background: var(--brand); color: #fff; }
        .mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 10px; }
        .mock-stats div { border: 1px solid var(--line); border-radius: 10px; padding: 6px 8px; }
        .mock-stats small { display: block; color: var(--muted); font-size: 11px; line-height: 1.6; }
        .mock-stats b { font-size: 14px; }
        .mock table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
        .mock th { text-align: start; color: var(--muted); font-weight: 400; border-bottom: 1px solid var(--line); padding: 4px 6px; }
        .mock td { padding: 5px 6px; border-bottom: 1px dashed var(--line); }
        .mock td.num { direction: ltr; text-align: end; font-variant-numeric: tabular-nums; }
        .tag { font-size: 10.5px; padding: 1px 8px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); white-space: nowrap; }
        .tag.warn { background: var(--accent-soft); color: #8a5406; }

        /* ---------------------------------------------------------------- sections */
        section { padding: 80px 0; }
        .section-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
        .section-head .kicker { color: var(--brand); font-weight: 700; font-size: 14px; }
        .section-head h2 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.6; margin: 6px 0 10px; }
        .section-head p { color: var(--muted); margin: 0; }

        /* at a glance : every module visible on one desktop screen */
        #features { padding-top: 64px; }
        .glance { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
        .card {
            background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
            padding: 20px 20px 16px; box-shadow: var(--shadow);
        }
        .card-title { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 16.5px; }
        .card-title .badge-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); flex: none; }
        .card.highlight { border-color: #efc98d; background: linear-gradient(180deg, #fffaf2, #fff); }
        .card.highlight .badge-icon { background: var(--accent-soft); color: #9a5f08; }
        .card ul { margin: 0; padding: 0; list-style: none; color: #34495a; font-size: 14px; line-height: 1.85; }
        .card li { position: relative; padding-inline-start: 16px; }
        .card li::before { content: ''; position: absolute; inset-inline-start: 2px; top: .8em; width: 6px; height: 6px; border-radius: 50%; background: #9fc9c3; }
        .card.highlight li::before { background: #ecb865; }
        .note { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

        /* flow */
        .flow-wrap { background: var(--surface); border-block: 1px solid var(--line); }
        .flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
        .flow li { position: relative; text-align: center; padding: 0 6px; }
        .flow li:not(:last-child)::after {
            content: ''; position: absolute; top: 27px; inset-inline-start: calc(50% + 34px); width: calc(100% - 56px);
            border-top: 2px dashed #b9d7d2;
        }
        .flow .dot { width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); border: 2px solid #fff; box-shadow: 0 0 0 2px #b9d7d2; }
        .flow .dot .icon { width: 26px; height: 26px; }
        .flow h3 { font-size: 15.5px; margin: 0 0 4px; }
        .flow p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.8; }

        /* coupon spotlight */
        .spotlight { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .spotlight h2 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.6; margin: 6px 0 12px; }
        .spotlight .kicker { color: #9a5f08; font-weight: 700; font-size: 14px; }
        .checks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
        .checks li { display: flex; gap: 12px; align-items: flex-start; }
        .checks .icon { color: var(--brand); margin-top: 4px; }
        .checks b { display: block; }
        .checks span { color: var(--muted); font-size: 14px; }

        .example { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
        .example header { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
        .example header b { font-size: 15px; }
        .example header small { color: var(--muted); }
        .example table { width: 100%; border-collapse: collapse; font-size: 14px; }
        .example th { background: #f4f7f9; color: var(--muted); font-weight: 400; font-size: 13px; padding: 9px 12px; text-align: start; }
        .example td { padding: 10px 12px; border-top: 1px solid var(--line); }
        .example td.num, .example th.num { text-align: end; font-variant-numeric: tabular-nums; }
        .example tfoot td { font-weight: 700; background: #fbfcfd; }
        .example footer { padding: 14px 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; border-top: 1px solid var(--line); background: #fbfcfd; }
        .example footer div { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
        .example footer b { display: block; font-size: 16px; color: var(--ink); }

        /* platform row */
        .platform { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
        .platform .card { padding: 24px; }
        .platform h3 { margin: 12px 0 6px; font-size: 17px; }
        .platform p { margin: 0 0 10px; color: var(--muted); font-size: 14px; }

        /* demo form */
        .demo { background: linear-gradient(160deg, #0b3b3c, #0e5d56); color: #fff; }
        .demo .container { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
        .demo h2 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.6; margin: 0 0 12px; }
        .demo p { color: #d6e8e5; margin: 0 0 18px; }
        .demo ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; color: #d6e8e5; }
        .demo ul li { display: flex; gap: 10px; align-items: center; }
        .demo ul .icon { color: #f3c77f; }

        .form-card { background: var(--surface); color: var(--ink); border-radius: 18px; padding: 28px; box-shadow: 0 24px 60px rgba(0, 0, 0, .25); }
        .form-card h3 { margin: 0 0 4px; font-size: 19px; }
        .form-card .sub { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
        .field { margin-bottom: 16px; }
        .field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
        .field label small { font-weight: 400; color: var(--muted); }
        .field input {
            width: 100%; font: inherit; font-size: 15px; color: var(--ink);
            padding: 11px 14px; border: 1px solid #cdd6de; border-radius: 10px; background: #fff;
        }
        .field input:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px rgba(13, 110, 100, .18); }
        .field input[aria-invalid="true"] { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(179, 38, 30, .12); }
        .field input.ltr { direction: ltr; text-align: right; }
        .field .error { color: var(--danger); font-size: 13px; margin-top: 4px; }
        .trap { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
        .form-card .btn { width: 100%; padding: 13px 20px; font-size: 16px; }
        .privacy { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; text-align: center; }
        .form-status { margin-top: 14px; padding: 10px 14px; border-radius: 10px; font-size: 14px; }
        .form-status.is-error { background: #fdecea; color: var(--danger); }
        .success { text-align: center; padding: 18px 6px; }
        .success .check { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 14px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); }
        .success .check .icon { width: 34px; height: 34px; stroke-width: 2.4; }
        .success h3 { font-size: 20px; }
        .success p { color: var(--muted); margin: 6px 0 0; }
        .spinner { width: 18px; height: 18px; border: 2px solid rgba(255, 255, 255, .5); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
        @keyframes spin { to { transform: rotate(360deg); } }

        .site-footer { background: #082c2d; color: #9fbcb8; padding: 28px 0; font-size: 14px; }
        .site-footer .container { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; }
        .site-footer a { color: #cfe3e0; text-decoration: none; }

        [hidden] { display: none !important; }

        /* ---------------------------------------------------------------- responsive */
        @media (max-width: 1024px) {
            .glance, .platform { grid-template-columns: repeat(2, 1fr); }
            .hero .container, .spotlight, .demo .container { grid-template-columns: 1fr; }
            .flow { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
            .flow li::after { display: none; }
        }
        @media (max-width: 680px) {
            body { font-size: 14.5px; }
            .nav { display: none; }
            .site-header .btn { margin-inline-start: auto; }
            .glance, .platform { grid-template-columns: 1fr; }
            section { padding: 56px 0; }
            .hero { padding: 40px 0 56px; }
            .mock-body { grid-template-columns: 1fr; }
            .mock-menu { display: none; }
            .example footer { grid-template-columns: 1fr; }
            .form-card { padding: 22px; }
        }
        @media (prefers-reduced-motion: reduce) {
            html { scroll-behavior: auto; }
            .spinner { animation-duration: 2s; }
        }