@font-face {
  font-family: "Vazirmatn";
  src: url("fonts/Vazirmatn-wght.woff2") format("woff2-variations"), url("fonts/Vazirmatn-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
:root {
      --ink: #17241d;
      --ink-soft: #405047;
      --muted: #68766d;
      --green: #4d8b5b;
      --green-deep: #14271e;
      --green-mid: #244b36;
      --lime: #c1e5a6;
      --paper: #f4f5f0;
      --paper-2: #e9ede5;
      --white: #ffffff;
      --line: #dce2d9;
      --gold: #d7b878;
      --shadow: 0 22px 60px rgba(19, 39, 28, .10);
      --radius: 24px;
      --max: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "Vazirmatn", Tahoma, sans-serif;
      line-height: 1.85;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    body, button, input, select, textarea { font-family: "Vazirmatn", Tahoma, sans-serif; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img, svg { max-width: 100%; }
    ::selection { background: var(--lime); color: var(--green-deep); }
    .container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--green); font-size: .79rem; font-weight: 800; letter-spacing: .01em;
    }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: currentColor; border-radius: 2px; }
    .section { padding: 104px 0; }
    .section-head { max-width: 700px; margin-bottom: 42px; }
    .section-head h2 { margin: 12px 0 14px; font-size: clamp(1.9rem, 3.2vw, 3.1rem); line-height: 1.38; letter-spacing: -.045em; }
    .section-head p { margin: 0; color: var(--muted); font-size: 1rem; max-width: 650px; }
    .section-head.center { margin-inline: auto; text-align: center; }
    .section-head.center .eyebrow { justify-content: center; }
    .section-head.center p { margin-inline: auto; }
    .btn {
      min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
      padding: 12px 20px; border: 1px solid transparent; border-radius: 13px;
      font-size: .9rem; font-weight: 800; cursor: pointer; transition: transform .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { background: var(--green); color: white; box-shadow: 0 10px 25px rgba(77,139,91,.22); }
    .btn-primary:hover { background: #3c7549; }
    .btn-outline { border-color: rgba(255,255,255,.30); color: white; background: rgba(255,255,255,.045); }
    .btn-outline:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.6); }
    .btn-light { background: white; color: var(--ink); border-color: var(--line); }
    .btn-light:hover { border-color: var(--green); color: var(--green); }
    .btn svg { width: 18px; height: 18px; }

    /* Header */
    .topline { background: #0e1d15; color: #b9c9bc; font-size: .74rem; }
    .topline-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 34px; }
    .topline-left { display: flex; align-items: center; gap: 18px; }
    .topline-item { display: inline-flex; align-items: center; gap: 7px; }
    .topline svg { width: 14px; height: 14px; color: var(--lime); }
    .site-header { position: sticky; top: 0; z-index: 100; background: rgba(244,245,240,.91); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(220,226,217,.72); }
    .nav-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
    .brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
    .brand-mark { width: 46px; height: 46px; display: grid; place-items: center; background: var(--green-deep); border-radius: 14px; color: var(--lime); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
    .brand-mark svg { width: 31px; height: 31px; }
    .brand-name { display: flex; flex-direction: column; line-height: 1.35; }
    .brand-name strong { font-size: 1.12rem; font-weight: 900; letter-spacing: -.03em; }
    .brand-name span { color: var(--muted); font-size: .66rem; font-weight: 600; letter-spacing: .02em; }
    .nav-links { display: flex; align-items: center; gap: clamp(16px, 2.1vw, 29px); margin-inline-start: auto; }
    .nav-links a { position: relative; color: #435148; font-size: .82rem; font-weight: 700; white-space: nowrap; transition: color .2s ease; }
    .nav-links a::after { content: ""; position: absolute; right: 0; bottom: -8px; height: 2px; width: 0; background: var(--green); transition: width .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--green); }
    .nav-links a:hover::after { width: 100%; }
    .nav-action { flex-shrink: 0; min-height: 44px; padding: 9px 15px; font-size: .8rem; }
    .menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }
    .menu-toggle svg { width: 22px; height: 22px; }

    /* Hero */
    .hero { position: relative; overflow: hidden; background: var(--green-deep); color: white; isolation: isolate; }
    .hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(circle at 17% 25%, rgba(91,145,95,.24), transparent 31%), radial-gradient(circle at 70% 112%, rgba(103,143,105,.17), transparent 38%), linear-gradient(120deg, #112219 0%, #193628 55%, #13271e 100%); }
    .hero::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(90deg, black, transparent 90%); }
    .hero-grid { display: grid; grid-template-columns: 1fr 1.03fr; align-items: center; gap: clamp(30px, 5vw, 72px); min-height: 640px; padding-top: 48px; padding-bottom: 50px; }
    .hero-copy { position: relative; z-index: 2; padding: 18px 0 26px; }
    .hero .eyebrow { color: var(--lime); }
    .hero-pill { display: inline-flex; align-items: center; gap: 9px; padding: 6px 12px; border: 1px solid rgba(193,229,166,.27); background: rgba(193,229,166,.07); border-radius: 100px; color: #d9e9d0; font-size: .76rem; font-weight: 700; margin-bottom: 22px; }
    .hero-pill span { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(193,229,166,.10); }
    .hero h1 { max-width: 620px; margin: 0 0 22px; font-size: clamp(2.45rem, 4.6vw, 4.55rem); font-weight: 900; letter-spacing: -.06em; line-height: 1.28; }
    .hero h1 em { color: var(--lime); font-style: normal; }
    .hero-copy > p { max-width: 550px; margin: 0; color: #c7d3c9; font-size: clamp(.95rem, 1.4vw, 1.08rem); line-height: 2.1; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .hero-trust { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 34px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.12); }
    .hero-trust-item { display: flex; align-items: center; gap: 9px; color: #d3dfd5; font-size: .78rem; font-weight: 600; }
    .hero-trust-item svg { width: 18px; height: 18px; color: var(--lime); }
    .hero-visual { position: relative; min-width: 0; }
    .hero-art { position: relative; min-height: 470px; display: grid; align-items: center; }
    .hero-art::before { content: ""; position: absolute; width: 78%; aspect-ratio: 1; max-width: 510px; border: 1px solid rgba(193,229,166,.18); border-radius: 50%; left: 6%; top: 50%; transform: translateY(-50%); box-shadow: 0 0 0 32px rgba(193,229,166,.025), 0 0 0 72px rgba(193,229,166,.018); }
    .hero-art svg { position: relative; width: 100%; z-index: 1; filter: drop-shadow(0 24px 30px rgba(0,0,0,.25)); }
    .visual-tag { position: absolute; z-index: 2; padding: 10px 13px; border: 1px solid rgba(211,230,207,.24); border-radius: 12px; background: rgba(16,36,26,.85); backdrop-filter: blur(8px); color: #e5eee4; font-size: .72rem; box-shadow: 0 16px 30px rgba(0,0,0,.17); }
    .visual-tag small { display: block; color: #a6b8a8; font-size: .63rem; margin-top: 2px; }
    .visual-tag.tag-a { top: 16%; right: -2%; }
    .visual-tag.tag-b { bottom: 15%; left: -1%; }
    .visual-tag.tag-c { top: 56%; right: -5%; }
    .visual-tag .tag-dot { display: inline-block; width: 6px; height: 6px; background: var(--lime); border-radius: 50%; margin-left: 7px; }
    .hero-bottom { background: rgba(8,22,14,.48); border-top: 1px solid rgba(255,255,255,.09); }
    .hero-bottom-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
    .hero-metric { display: flex; align-items: center; gap: 12px; padding: 20px 22px; border-left: 1px solid rgba(255,255,255,.10); }
    .hero-metric:first-child { border-right: 1px solid rgba(255,255,255,.10); }
    .metric-icon { width: 39px; height: 39px; flex-shrink: 0; display: grid; place-items: center; border-radius: 12px; background: rgba(193,229,166,.10); color: var(--lime); }
    .metric-icon svg { width: 21px; height: 21px; }
    .hero-metric strong { display: block; font-size: .94rem; font-weight: 800; color: white; line-height: 1.5; }
    .hero-metric span:last-child { display: block; color: #9eb2a2; font-size: .69rem; }

    /* Shared cards */
    .card { border: 1px solid var(--line); background: rgba(255,255,255,.76); border-radius: var(--radius); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
    .card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #cad7c9; }
    .problem-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
    .problem-copy h2 { margin: 12px 0 18px; font-size: clamp(1.85rem, 3vw, 2.8rem); line-height: 1.45; letter-spacing: -.04em; }
    .problem-copy p { color: var(--muted); margin: 0 0 22px; }
    .text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--green); font-size: .86rem; font-weight: 800; }
    .text-link svg { width: 17px; height: 17px; transition: transform .2s ease; }
    .text-link:hover svg { transform: translateX(-4px); }
    .problem-visual { min-height: 415px; position: relative; overflow: hidden; border-radius: 28px; background: linear-gradient(140deg, #e2e8dd, #f8faf5); padding: 32px; display: flex; flex-direction: column; justify-content: space-between; }
    .problem-visual::before { content: ""; position: absolute; width: 390px; height: 390px; border: 1px solid rgba(77,139,91,.2); border-radius: 50%; left: -60px; top: -110px; box-shadow: 0 0 0 35px rgba(77,139,91,.04), 0 0 0 75px rgba(77,139,91,.03); }
    .problem-visual svg { z-index: 1; width: 100%; max-height: 280px; }
    .visual-caption { z-index: 2; display: flex; justify-content: space-between; align-items: end; gap: 18px; padding-top: 18px; border-top: 1px solid #cfd8cb; }
    .visual-caption strong { display: block; font-size: 1rem; }
    .visual-caption span { display: block; color: var(--muted); font-size: .75rem; }
    .visual-caption .caption-mark { color: var(--green); font-size: 1.9rem; font-weight: 900; line-height: 1; }
    .impact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 44px; }
    .impact-card { min-height: 185px; padding: 22px; }
    .impact-icon { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid #d9e4d4; background: #eff5eb; color: var(--green); border-radius: 14px; margin-bottom: 18px; }
    .impact-icon svg { width: 23px; height: 23px; }
    .impact-card h3 { margin: 0 0 6px; font-size: 1rem; }
    .impact-card p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.9; }

    /* Solutions */
    .solutions { background: #e9eee6; }
    .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .solution-card { overflow: hidden; padding: 0; }
    .solution-art { position: relative; height: 220px; padding: 26px; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg, #e3e9df, #f7f8f3); }
    .solution-art::before { content: ""; width: 230px; height: 230px; border: 1px solid rgba(77,139,91,.18); border-radius: 50%; position: absolute; left: -20px; top: -90px; box-shadow: 0 0 0 22px rgba(77,139,91,.035), 0 0 0 55px rgba(77,139,91,.025); }
    .solution-art svg { position: relative; width: 100%; height: 100%; max-height: 185px; }
    .solution-body { padding: 25px 26px 28px; }
    .number-label { color: var(--green); font-size: .7rem; font-weight: 900; letter-spacing: .08em; }
    .solution-body h3 { margin: 6px 0 9px; font-size: 1.25rem; }
    .solution-body p { margin: 0 0 18px; color: var(--muted); font-size: .85rem; }
    .solution-body .text-link { font-size: .8rem; }

    /* Technology */
    .technology { background: var(--green-deep); color: white; position: relative; overflow: hidden; }
    .technology::before { content: ""; position: absolute; width: 700px; height: 700px; border: 1px solid rgba(193,229,166,.13); border-radius: 50%; left: -230px; top: -220px; box-shadow: 0 0 0 50px rgba(193,229,166,.025), 0 0 0 110px rgba(193,229,166,.018); }
    .technology .eyebrow { color: var(--lime); }
    .technology .section-head p { color: #b3c5b6; }
    .technology-layout { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; gap: 70px; align-items: center; }
    .technology-copy h2 { margin: 12px 0 17px; font-size: clamp(1.9rem, 3vw, 2.9rem); line-height: 1.42; letter-spacing: -.045em; }
    .technology-copy > p { color: #b9cbbb; margin: 0 0 24px; }
    .tech-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
    .tech-points li { display: flex; gap: 13px; align-items: flex-start; color: #e4ede3; font-size: .88rem; }
    .check-icon { width: 25px; height: 25px; flex-shrink: 0; display: grid; place-items: center; border-radius: 8px; background: rgba(193,229,166,.12); color: var(--lime); }
    .check-icon svg { width: 15px; height: 15px; }
    .technology-copy .btn { margin-top: 30px; }
    .tech-diagram { position: relative; padding: 28px; border: 1px solid rgba(193,229,166,.19); border-radius: 28px; background: linear-gradient(150deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); }
    .diagram-topline { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; color: #a8bda9; font-size: .68rem; }
    .diagram-topline strong { color: #e2eee0; font-size: .82rem; }
    .tech-diagram svg { display: block; width: 100%; }
    .diagram-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }
    .legend-item { display: flex; gap: 9px; align-items: center; color: #c5d5c6; font-size: .75rem; }
    .legend-swatch { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }
    .legend-swatch.wear { background: #79b36e; }
    .legend-swatch.base { background: #929d9a; }

    /* Products */
    .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .product-card { overflow: hidden; display: flex; flex-direction: column; }
    .product-visual { height: 225px; position: relative; display: grid; place-items: center; padding: 22px; background: #edf1e9; border-bottom: 1px solid var(--line); overflow: hidden; }
    .product-visual::before { content: ""; position: absolute; width: 250px; height: 250px; border: 1px solid rgba(77,139,91,.16); border-radius: 50%; box-shadow: 0 0 0 28px rgba(77,139,91,.03); }
    .product-visual svg { position: relative; z-index: 1; width: 100%; height: 100%; max-height: 180px; }
    .product-chip { position: absolute; top: 17px; right: 17px; z-index: 2; padding: 5px 10px; background: rgba(255,255,255,.85); border: 1px solid rgba(220,226,217,.9); border-radius: 100px; font-size: .66rem; font-weight: 800; color: var(--green); }
    .product-content { padding: 24px; display: flex; flex-direction: column; flex: 1; }
    .product-content h3 { margin: 0 0 8px; font-size: 1.25rem; letter-spacing: -.02em; }
    .product-content p { margin: 0 0 18px; color: var(--muted); font-size: .85rem; flex: 1; }
    .product-meta { display: flex; align-items: center; gap: 8px; margin: 0 0 18px; font-size: .74rem; color: var(--ink-soft); }
    .product-meta .dot { width: 5px; height: 5px; background: var(--green); border-radius: 50%; }
    .product-content .btn { width: 100%; }
    .note { display: flex; gap: 10px; align-items: flex-start; max-width: 880px; margin: 24px auto 0; color: var(--muted); font-size: .75rem; line-height: 1.9; }
    .note svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; margin-top: 3px; }

    /* Services */
    .services { padding-top: 78px; }
    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .service-card { padding: 24px 21px; }
    .service-card .impact-icon { margin-bottom: 20px; }
    .service-card h3 { margin: 0 0 9px; font-size: 1rem; }
    .service-card p { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.95; }
    .applications { background: #e9eee6; }
    .application-layout { display: grid; grid-template-columns: 1fr .8fr; gap: 58px; align-items: center; }
    .application-visual { position: relative; border-radius: 26px; background: var(--green-deep); padding: 28px; overflow: hidden; min-height: 385px; display: grid; place-items: center; }
    .application-visual::before { content: ""; position: absolute; width: 380px; height: 380px; border: 1px solid rgba(193,229,166,.15); border-radius: 50%; box-shadow: 0 0 0 40px rgba(193,229,166,.03), 0 0 0 85px rgba(193,229,166,.02); }
    .application-visual svg { position: relative; z-index: 1; width: 100%; max-height: 310px; }
    .application-copy h2 { margin: 12px 0 15px; font-size: clamp(1.8rem, 2.6vw, 2.55rem); line-height: 1.45; letter-spacing: -.04em; }
    .application-copy > p { margin: 0 0 25px; color: var(--muted); }
    .application-list { display: grid; gap: 12px; padding: 0; margin: 0 0 28px; list-style: none; }
    .application-list li { display: flex; align-items: center; gap: 11px; font-size: .9rem; font-weight: 700; }
    .application-list svg { width: 20px; height: 20px; color: var(--green); flex-shrink: 0; }
    .maker-note { padding: 13px 15px; background: rgba(255,255,255,.55); border: 1px solid rgba(204,215,200,.8); border-radius: 12px; color: var(--muted); font-size: .75rem; }

    /* Why us / performance */
    .why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
    .why-card { padding: 23px; }
    .why-index { display: inline-flex; align-items: center; justify-content: center; width: 33px; height: 33px; border-radius: 10px; background: var(--green-deep); color: var(--lime); font-size: .75rem; font-weight: 900; margin-bottom: 18px; }
    .why-card h3 { margin: 0 0 8px; font-size: .98rem; }
    .why-card p { margin: 0; color: var(--muted); font-size: .8rem; }
    .performance { padding-top: 35px; }
    .performance-panel { display: grid; grid-template-columns: .75fr 1.25fr; gap: 35px; align-items: center; padding: 38px; background: var(--green-deep); color: white; border-radius: 28px; overflow: hidden; position: relative; }
    .performance-panel::after { content: ""; position: absolute; width: 350px; height: 350px; border: 1px solid rgba(193,229,166,.16); border-radius: 50%; left: -100px; bottom: -250px; box-shadow: 0 0 0 35px rgba(193,229,166,.025), 0 0 0 75px rgba(193,229,166,.02); }
    .performance-intro { position: relative; z-index: 1; }
    .performance-intro .eyebrow { color: var(--lime); }
    .performance-intro h2 { margin: 12px 0; font-size: 1.8rem; line-height: 1.45; }
    .performance-intro p { margin: 0; color: #b6c9b8; font-size: .82rem; }
    .performance-numbers { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .performance-number { padding: 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; background: rgba(255,255,255,.035); }
    .performance-number strong { display: block; color: var(--lime); font-size: clamp(1.9rem, 3.1vw, 2.8rem); line-height: 1.25; font-weight: 900; letter-spacing: -.05em; direction: ltr; text-align: right; }
    .performance-number span { display: block; color: #edf4eb; font-size: .84rem; font-weight: 800; margin: 8px 0 4px; }
    .performance-number small { display: block; color: #9fb4a2; font-size: .7rem; line-height: 1.8; }

    /* Process */
    .process { background: #e9eee6; }
    .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
    .process-card { padding: 25px 22px; position: relative; }
    .process-count { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; color: var(--green); font-size: .76rem; font-weight: 900; }
    .process-count span:first-child { width: 39px; height: 39px; display: grid; place-items: center; background: white; border-radius: 13px; border: 1px solid var(--line); }
    .process-count svg { width: 19px; height: 19px; }
    .process-card h3 { margin: 0 0 8px; font-size: 1rem; }
    .process-card p { margin: 0; color: var(--muted); font-size: .8rem; }

    /* FAQ */
    .faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
    .faq-intro h2 { margin: 12px 0 14px; font-size: clamp(1.8rem, 2.8vw, 2.6rem); line-height: 1.45; letter-spacing: -.04em; }
    .faq-intro p { color: var(--muted); margin: 0 0 25px; }
    .faq-list { display: grid; gap: 11px; }
    details.faq-item { background: white; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
    details.faq-item summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 19px 21px; font-size: .88rem; font-weight: 800; }
    details.faq-item summary::-webkit-details-marker { display: none; }
    .faq-plus { width: 27px; height: 27px; display: grid; place-items: center; flex-shrink: 0; border-radius: 9px; color: var(--green); background: #eff5eb; transition: transform .2s ease; }
    .faq-plus svg { width: 15px; height: 15px; }
    details[open] .faq-plus { transform: rotate(45deg); }
    .faq-answer { padding: 0 21px 20px; color: var(--muted); font-size: .83rem; line-height: 2; }
    .faq-answer p { margin: 0; }

    /* Contact */
    .contact-section { background: var(--green-deep); color: white; position: relative; overflow: hidden; }
    .contact-section::before { content: ""; position: absolute; width: 600px; height: 600px; border: 1px solid rgba(193,229,166,.15); border-radius: 50%; right: -340px; top: -250px; box-shadow: 0 0 0 45px rgba(193,229,166,.025), 0 0 0 90px rgba(193,229,166,.02); }
    .contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 75px; position: relative; }
    .contact-copy .eyebrow { color: var(--lime); }
    .contact-copy h2 { margin: 12px 0 18px; font-size: clamp(2rem, 3.5vw, 3.4rem); line-height: 1.4; letter-spacing: -.05em; }
    .contact-copy > p { color: #b8cabb; margin: 0 0 28px; }
    .contact-detail { display: flex; align-items: flex-start; gap: 13px; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.12); }
    .contact-detail-icon { width: 39px; height: 39px; flex-shrink: 0; display: grid; place-items: center; background: rgba(193,229,166,.11); border-radius: 12px; color: var(--lime); }
    .contact-detail-icon svg { width: 19px; height: 19px; }
    .contact-detail strong { display: block; font-size: .82rem; }
    .contact-detail span { display: block; color: #aabfac; font-size: .76rem; direction: ltr; text-align: right; }
    .contact-form { background: #f9faf7; color: var(--ink); border-radius: 24px; padding: clamp(23px, 3.2vw, 38px); box-shadow: 0 24px 60px rgba(0,0,0,.15); }
    .form-heading { margin-bottom: 24px; }
    .form-heading h3 { margin: 0 0 5px; font-size: 1.3rem; }
    .form-heading p { margin: 0; color: var(--muted); font-size: .8rem; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #34453a; font-size: .78rem; font-weight: 800; }
    .field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 12px 13px; outline: none; color: var(--ink); background: white; border: 1px solid #d9e0d6; border-radius: 11px; font-size: .82rem; transition: border-color .2s, box-shadow .2s; }
    .field textarea { min-height: 110px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(77,139,91,.12); }
    .form-submit { width: 100%; margin-top: 19px; }
    .form-disclaimer { margin: 12px 0 0; color: #7b887e; font-size: .68rem; line-height: 1.9; }
    .form-message { display: none; margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: #e9f3e5; border: 1px solid #ccdfc5; color: #31583a; font-size: .78rem; }
    .form-message.show { display: block; }

    /* Footer */
    .footer { background: #0d1c14; color: #c5d1c7; padding: 42px 0 22px; }
    .footer-main { display: grid; grid-template-columns: 1.25fr .8fr .8fr 1fr; gap: 45px; padding-bottom: 38px; }
    .footer .brand-name strong { color: white; }
    .footer .brand-name span { color: #91a394; }
    .footer-about p { margin: 18px 0 0; max-width: 320px; color: #93a697; font-size: .77rem; line-height: 2; }
    .footer-col h4 { color: white; margin: 0 0 15px; font-size: .86rem; }
    .footer-col a { display: block; width: fit-content; margin: 9px 0; color: #9eafa1; font-size: .77rem; transition: color .2s; }
    .footer-col a:hover { color: var(--lime); }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.10); color: #758b7b; font-size: .68rem; }
    .footer-bottom .made { display: flex; gap: 6px; align-items: center; }
    .footer-bottom svg { width: 14px; height: 14px; color: var(--lime); }

    /* Floating top button */
    .back-top { position: fixed; left: 23px; bottom: 23px; z-index: 80; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: var(--green-deep); color: white; box-shadow: 0 9px 25px rgba(0,0,0,.18); opacity: 0; visibility: hidden; transform: translateY(9px); transition: opacity .2s, transform .2s, visibility .2s; }
    .back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
    .back-top svg { width: 20px; height: 20px; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }


    /* ---- Brand logo (real Assyaban logo) ---- */
    .brand-logo { display: block; height: 54px; aspect-ratio: 1368 / 508; background: var(--logo) center / contain no-repeat; flex-shrink: 0; }
    .footer .brand { background: #fff; padding: 9px 15px; border-radius: 16px; }
    .footer .brand-logo { height: 46px; }
    .footer-col span.plain { display: block; margin: 9px 0; color: #9eafa1; font-size: .77rem; }

    /* ---- Hero photo ---- */
    .hero-art.photo-art { min-height: 0; }
    .hero-photo { position: relative; z-index: 1; margin: 0; border-radius: 26px; overflow: hidden; border: 1px solid rgba(211,230,207,.24); box-shadow: 0 30px 60px rgba(0,0,0,.35); aspect-ratio: 3 / 2; background: #1b2f24; }
    .hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,24,16,0) 58%, rgba(10,24,16,.5)); pointer-events: none; }
    .hero-art.photo-art .visual-tag.tag-a { top: 7%; right: 3%; }
    .hero-art.photo-art .visual-tag.tag-b { bottom: 8%; left: 3%; }

    /* ---- Challenge chart ---- */
    .problem-visual .chart { z-index: 1; width: 100%; max-height: 300px; direction: ltr; }
    .chart-legend { z-index: 2; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: center; margin: 4px 0 14px; font-size: .75rem; color: var(--ink-soft); font-weight: 700; }
    .chart-legend span { display: inline-flex; align-items: center; gap: 8px; }
    .chart-legend i { display: inline-block; width: 26px; height: 0; border-top: 3px solid var(--green); }
    .chart-legend i.dash { border-top: 3px dashed #e2762b; }
    .callout { margin-top: 18px; padding: 20px 24px; border: 1px solid #cfdccb; border-radius: 20px; background: linear-gradient(135deg, #eef4ea, #f8faf5); display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
    .callout .impact-icon { margin: 0; }
    .callout p { margin: 0; color: var(--ink-soft); font-size: .88rem; line-height: 2; }
    .callout strong { color: var(--green-deep); }
    .source-note { margin: 12px 0 0; color: var(--muted); font-size: .7rem; text-align: center; z-index: 1; }

    /* ---- Solution photos ---- */
    .solution-art.photo { padding: 0; }
    .solution-art.photo::before { display: none; }
    .solution-art.photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .solution-art.cad { padding: 12px 18px; background: #f3f5f0; }
    .solution-art.cad::before { display: none; }
    .solution-art.cad img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }

    /* ---- Technology ---- */
    .cad-box { background: #f3f5f0; border-radius: 18px; padding: 10px 14px; margin-bottom: 18px; }
    .cad-box img { display: block; width: 100%; max-height: 230px; object-fit: contain; mix-blend-mode: multiply; }
    .cad-box figcaption { text-align: center; color: #5b695f; font-size: .7rem; padding: 2px 0 4px; }
    .tech-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: step; }
    .tech-steps li { display: flex; gap: 13px; align-items: flex-start; color: #e4ede3; font-size: .88rem; line-height: 1.95; }
    .tech-steps li::before { counter-increment: step; content: counter(step, persian); flex-shrink: 0; width: 27px; height: 27px; display: grid; place-items: center; border-radius: 9px; background: rgba(193,229,166,.14); color: var(--lime); font-size: .76rem; font-weight: 900; }

    /* ---- Product cards ---- */
    .product-visual .mono { position: relative; z-index: 1; text-align: center; color: var(--green-deep); font-size: 4.4rem; font-weight: 900; letter-spacing: -.04em; line-height: 1; direction: ltr; }
    .product-visual .mono small { display: block; margin-top: 10px; color: var(--muted); font-size: .72rem; font-weight: 700; letter-spacing: 0; direction: rtl; }
    .product-visual .mono.hs { color: var(--green); }
    .spec-list { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 8px; }
    .spec-list li { display: flex; gap: 9px; align-items: flex-start; font-size: .76rem; color: var(--ink-soft); line-height: 1.85; }
    .spec-list li::before { content: ""; width: 5px; height: 5px; margin-top: 10px; background: var(--green); border-radius: 50%; flex-shrink: 0; }
    .new-badge { background: var(--green); color: #fff; border-color: var(--green); }

    /* ---- Advantages ---- */
    .advantages { background: #e9eee6; }
    .advantages .why-card h3 { font-size: .95rem; }

    /* ---- Applications ---- */
    .app-banner { position: relative; margin: 0 0 44px; border-radius: 26px; overflow: hidden; aspect-ratio: 4 / 1; background: var(--green-deep); box-shadow: var(--shadow); }
    .app-banner img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .app-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,29,21,.78), rgba(14,29,21,.05) 70%); }
    .app-banner figcaption { position: absolute; z-index: 2; right: 28px; bottom: 22px; color: #fff; font-weight: 800; font-size: 1.05rem; line-height: 1.7; }
    .app-banner figcaption small { display: block; color: #cfe0cf; font-size: .72rem; font-weight: 500; }
    .oem-list { display: grid; gap: 12px; }
    .oem-card { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
    .oem-card strong { display: block; font-size: 1.02rem; }
    .oem-card span { display: block; color: var(--muted); font-size: .75rem; }
    .oem-card em { font-style: normal; flex-shrink: 0; padding: 5px 11px; border-radius: 100px; background: #eff5eb; color: var(--green); font-size: .7rem; font-weight: 800; }
    .oem-card .latin { direction: ltr; text-align: right; }

    /* ---- About partners ---- */
    .partner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
    .partner-card { padding: 30px; }
    .partner-tag { display: inline-block; padding: 4px 11px; border-radius: 100px; background: #eff5eb; color: var(--green); font-size: .68rem; font-weight: 800; margin-bottom: 14px; }
    .partner-card h3 { margin: 0 0 6px; font-size: 1.35rem; }
    .partner-card > p { margin: 0 0 16px; color: var(--muted); font-size: .84rem; }
    .partner-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
    .partner-card li { display: flex; gap: 10px; align-items: flex-start; font-size: .82rem; color: var(--ink-soft); line-height: 1.9; }
    .partner-card li svg { width: 17px; height: 17px; margin-top: 5px; color: var(--green); flex-shrink: 0; }

    @media (max-width: 1050px) {
      .nav-links { gap: 15px; }
      .nav-links a { font-size: .76rem; }
      .hero-grid { min-height: 590px; gap: 28px; }
      .hero-art { min-height: 400px; }
      .problem-layout, .technology-layout { gap: 42px; }
      .impact-grid, .service-grid, .why-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-main { gap: 28px; }
    }
    @media (max-width: 820px) {
      .container { width: min(var(--max), calc(100% - 36px)); }
      .topline-inner { justify-content: center; }
      .topline-left { display: none; }
      .nav-inner { min-height: 72px; gap: 12px; }
      .menu-toggle { display: inline-flex; order: 3; }
      .nav-action { margin-inline-start: auto; }
      .nav-links { display: none; position: absolute; top: calc(100% + 1px); right: 0; left: 0; padding: 17px 22px 22px; background: rgba(248,249,245,.98); border-bottom: 1px solid var(--line); box-shadow: 0 20px 28px rgba(16,32,21,.09); align-items: stretch; gap: 0; flex-direction: column; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 12px 4px; border-bottom: 1px solid #e8ece5; font-size: .88rem; }
      .nav-links a::after { display: none; }
      .nav-links a:last-child { border-bottom: 0; }
      .hero-grid { grid-template-columns: 1fr; min-height: auto; padding-top: 50px; padding-bottom: 25px; }
      .hero-copy { padding: 0; }
      .hero h1 { max-width: 720px; font-size: clamp(2.45rem, 7.5vw, 4rem); }
      .hero-copy > p { max-width: 700px; }
      .hero-visual { max-width: 620px; width: 100%; margin-inline: auto; }
      .hero-art { min-height: auto; }
      .hero-art svg { max-height: 410px; }
      .hero-art::before { left: 11%; }
      .visual-tag.tag-a { right: 1%; top: 10%; }
      .visual-tag.tag-b { left: 1%; bottom: 10%; }
      .visual-tag.tag-c { right: -1%; top: 58%; }
      .hero-bottom-inner { grid-template-columns: repeat(2, 1fr); }
      .hero-metric { border-bottom: 1px solid rgba(255,255,255,.1); }
      .hero-metric:nth-child(2) { border-left: 0; }
      .hero-metric:nth-child(3) { border-right: 1px solid rgba(255,255,255,.1); border-bottom: 0; }
      .hero-metric:nth-child(4) { border-bottom: 0; }
      .section { padding: 78px 0; }
      .problem-layout, .technology-layout, .application-layout, .faq-layout, .contact-layout { grid-template-columns: 1fr; gap: 34px; }
      .problem-visual { min-height: 350px; }
      .solution-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
      .solution-card:last-child, .product-card:last-child { grid-column: 1 / -1; }
      .solution-card:last-child .solution-art, .product-card:last-child .product-visual { height: 230px; }
      .technology-layout { gap: 40px; }
      .tech-diagram { max-width: 650px; width: 100%; margin-inline: auto; }
      .application-visual { min-height: 320px; }
      .performance-panel { grid-template-columns: 1fr; padding: 29px; gap: 25px; }
      .performance-intro h2 { max-width: 620px; }
      .footer-main { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 540px) {
      .container { width: calc(100% - 30px); }
      .topline { font-size: .67rem; }
      .brand-mark { width: 42px; height: 42px; border-radius: 12px; }
      .brand-name strong { font-size: 1rem; }
      .brand-name span { font-size: .61rem; }
      .nav-action { min-height: 40px; padding: 8px 11px; font-size: .72rem; }
      .nav-action svg { display: none; }
      .hero-grid { padding-top: 36px; gap: 14px; }
      .hero h1 { font-size: clamp(2.15rem, 10vw, 3.1rem); }
      .hero-copy > p { font-size: .9rem; }
      .hero-actions { display: grid; grid-template-columns: 1fr; }
      .hero-actions .btn { width: 100%; }
      .hero-trust { gap: 12px 17px; margin-top: 25px; padding-top: 20px; }
      .hero-trust-item { font-size: .71rem; }
      .hero-art svg { max-height: 300px; }
      .hero-art::before { width: 85%; left: 8%; }
      .visual-tag { padding: 7px 9px; font-size: .61rem; }
      .visual-tag small { font-size: .56rem; }
      .visual-tag.tag-a { top: 7%; right: -1%; }
      .visual-tag.tag-b { bottom: 7%; left: -2%; }
      .visual-tag.tag-c { top: 57%; right: -3%; }
      .hero-bottom-inner { grid-template-columns: 1fr 1fr; }
      .hero-metric { padding: 14px 9px; gap: 8px; }
      .metric-icon { width: 32px; height: 32px; border-radius: 10px; }
      .metric-icon svg { width: 17px; height: 17px; }
      .hero-metric strong { font-size: .78rem; }
      .hero-metric span:last-child { font-size: .61rem; }
      .section { padding: 64px 0; }
      .section-head { margin-bottom: 30px; }
      .section-head h2 { font-size: 1.8rem; }
      .problem-visual { min-height: 285px; padding: 20px; }
      .problem-visual svg { max-height: 190px; }
      .impact-grid, .service-grid, .why-grid, .process-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
      .impact-card { min-height: auto; padding: 17px 15px; }
      .impact-card h3 { font-size: .88rem; }
      .impact-card p { font-size: .74rem; }
      .impact-icon { width: 39px; height: 39px; margin-bottom: 13px; }
      .solution-grid, .product-grid { grid-template-columns: 1fr; }
      .solution-card:last-child, .product-card:last-child { grid-column: auto; }
      .solution-art, .product-visual { height: 205px; }
      .solution-body, .product-content { padding: 21px; }
      .technology .section-head { margin-bottom: 28px; }
      .tech-diagram { padding: 16px; border-radius: 20px; }
      .diagram-legend { grid-template-columns: 1fr; }
      .application-visual { min-height: 260px; padding: 18px; }
      .application-visual svg { max-height: 230px; }
      .why-card { padding: 16px 14px; }
      .why-card h3 { font-size: .85rem; }
      .why-card p { font-size: .73rem; }
      .process-card { padding: 17px 14px; }
      .process-card h3 { font-size: .85rem; }
      .process-card p { font-size: .73rem; }
      .performance-panel { padding: 22px 17px; border-radius: 21px; }
      .performance-numbers { gap: 10px; }
      .performance-number { padding: 15px 12px; }
      .performance-number strong { font-size: 1.8rem; }
      .performance-number span { font-size: .74rem; }
      .performance-number small { font-size: .65rem; }
      .faq-layout { gap: 24px; }
      details.faq-item summary { padding: 16px; font-size: .8rem; }
      .faq-answer { padding: 0 16px 16px; font-size: .78rem; }
      .contact-layout { gap: 27px; }
      .contact-copy h2 { font-size: 2rem; }
      .contact-form { padding: 22px 16px; border-radius: 19px; }
      .form-grid { grid-template-columns: 1fr; gap: 13px; }
      .field.full { grid-column: auto; }
      .footer-main { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
      .footer-about { grid-column: 1 / -1; }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
      .back-top { left: 13px; bottom: 13px; width: 40px; height: 40px; }
    }
    @media (max-width: 820px) {
      .partner-grid { grid-template-columns: 1fr; }
      .app-banner { aspect-ratio: 16 / 7; }
      .callout { grid-template-columns: 1fr; }
    }
    @media (max-width: 540px) {
      .brand-logo { height: 42px; }
      .footer .brand-logo { height: 40px; }
      .hero-art.photo-art .visual-tag.tag-a { top: 5%; right: 2%; }
      .hero-art.photo-art .visual-tag.tag-b { bottom: 5%; left: 2%; }
      .product-visual .mono { font-size: 3.6rem; }
      .app-banner { aspect-ratio: 3 / 2; border-radius: 20px; margin-bottom: 30px; }
      .app-banner figcaption { right: 16px; bottom: 14px; font-size: .9rem; }
      .partner-card { padding: 22px 18px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
    }
    .hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
    .form-message.is-error { background: #fbecea; border-color: #efc6c0; color: #8a2f22; }
    .faq-answer p + p { margin-top: 10px; }