:root {
      --bg: #f5f7fb;
      --surface: rgba(255, 255, 255, 0.82);
      --surface-strong: #ffffff;
      --text: #10213f;
      --text-soft: #5f7092;
      --primary: #0ea5a8;
      --primary-deep: #0b7f88;
      --secondary: #ff8a4c;
      --accent: #00c2ff;
      --line: rgba(16, 33, 63, 0.1);
      --shadow: 0 30px 80px rgba(15, 23, 42, 0.12);
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: min(1320px, calc(100vw - 32px));
      --header-height: 92px;
      --transition: 0.35s ease;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      font-family: "Vazirmatn", sans-serif;
      background:
        radial-gradient(circle at top right, rgba(14, 165, 168, 0.16), transparent 24%),
        radial-gradient(circle at 20% 20%, rgba(255, 138, 76, 0.16), transparent 24%),
        linear-gradient(180deg, #fbfdff 0%, #f2f6fb 100%);
      color: var(--text);
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }

    .container { width: var(--container); margin: 0 auto; }
    .section { padding: 40px 0; }

    .glass-card {
      background: var(--surface);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: var(--shadow);
      border-radius: var(--radius-xl);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      padding: 18px 0 10px;
    }

    .site-header::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(245, 247, 251, 0.88), rgba(245, 247, 251, 0.32));
      backdrop-filter: blur(18px);
      z-index: -1;
    }

    .header-shell {
      min-height: var(--header-height);
      padding: 16px 18px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 10px;
    }

    .header-logo > a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.9);
      border-radius: 22px;
      padding: 12px 16px;
      box-shadow: 0 14px 36px rgba(16, 33, 63, 0.12);
    }

    .header-logo img { width: 164px; height: auto; }

    .desktop-nav { display: flex; }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
      padding: 0;
      margin: 0;
      flex-wrap: wrap;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 12px 12px;
      border-radius: 18px;
      font-size: 15px;
      color: var(--text);
      font-weight: 700;
      transition: var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
      background: rgba(14, 165, 168, 0.1);
      color: var(--primary-deep);
    }

    .header-tools { display: flex; align-items: center; gap: 8px; }

    .cta-btn,
    .ghost-btn,
    .icon-btn,
    .tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 18px;
      transition: var(--transition);
      border: 0;
      cursor: pointer;
    }

    .icon-btn {
      width: 46px;
      height: 46px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--line);
      color: var(--text);
    }

    .cta-btn {
      padding: 14px 20px;
      font-weight: 800;
      color: #fff;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      box-shadow: 0 20px 34px rgba(14, 165, 168, 0.3);
      text-decoration: none;
    }

    .ghost-btn {
      padding: 14px 18px;
      background: rgba(255, 255, 255, 0.9);
      color: var(--text);
      border: 1px solid var(--line);
      font-weight: 700;
      text-decoration: none;
    }

    .tag {
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(14, 165, 168, 0.1);
      color: var(--primary-deep);
      border: 1px solid rgba(14, 165, 168, 0.2);
      font-size: 13px;
      font-weight: 700;
    }

    .cta-btn:hover,
    .ghost-btn:hover,
    .icon-btn:hover,
    .tag:hover { transform: translateY(-3px); }

    .mobile-toggle { display: none; }

    .page-hero {
      overflow: hidden;
      padding: clamp(24px, 4vw, 36px);
      position: relative;
      background:
        linear-gradient(140deg, rgba(255, 255, 255, 0.95), rgba(245, 250, 255, 0.78)),
        radial-gradient(circle at top left, rgba(255, 138, 76, 0.16), transparent 28%),
        radial-gradient(circle at bottom right, rgba(0, 194, 255, 0.14), transparent 30%);
    }

    .page-hero::after {
      content: "";
      position: absolute;
      left: -70px;
      top: -80px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(14, 165, 168, 0.08);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(14, 165, 168, 0.1);
      color: var(--primary-deep);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    h1, h2, h3, p { margin: 0; }

    .hero-title {
      font-family: "Manrope", "Vazirmatn", sans-serif;
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.15;
      margin-bottom: 10px;
    }

    .hero-copy {
      color: var(--text-soft);
      line-height: 1.95;
      font-size: 16px;
      margin-bottom: 16px;
      max-width: 860px;
    }

    .content-layout {
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 18px;
      align-items: start;
    }

    .content-card {
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.94);
      border: 1px solid var(--line);
      box-shadow: 0 18px 44px rgba(15, 23, 42, 0.1);
      padding: 20px;
    }

    .content-card h2,
    .content-card h3 {
      margin-bottom: 8px;
    }

    .content-card p {
      color: var(--text-soft);
      line-height: 2;
      margin-bottom: 10px;
    }

    .content-card ul {
      margin: 0;
      padding-right: 18px;
      color: var(--text-soft);
      line-height: 1.9;
    }

    .highlight-card {
      border-radius: 24px;
      padding: 20px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(14, 165, 168, 0.96), rgba(0, 194, 255, 0.88)),
        radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.2), transparent 42%);
      box-shadow: 0 22px 50px rgba(14, 165, 168, 0.28);
    }

    .highlight-card p { margin-top: 8px; line-height: 1.95; }

    .tag-list {
      margin-top: 12px;
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .site-footer {
      margin-top: 50px;
      padding: 40px 0 60px;
    }

    .footer-shell {
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, #ffffff 0%, #eef4ff 100%);
      color: var(--text);
      padding: 34px;
    }

    .footer-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at top right, rgba(14, 165, 168, 0.12), transparent 22%),
        radial-gradient(circle at bottom left, rgba(255, 138, 76, 0.08), transparent 25%);
      pointer-events: none;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.25fr 0.85fr;
      gap: 24px;
      position: relative;
      z-index: 1;
    }

    .footer-col { display: grid; gap: 14px; align-content: start; }

    .footer-col p {
      color: var(--text-soft);
      line-height: 1.95;
      font-size: 14px;
      margin: 0;
    }

    .footer-logo {
      width: 174px;
      background: rgba(255, 255, 255, 0.94);
      border-radius: 28px;
      padding: 14px 18px;
    }

    .contact-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(14, 165, 168, 0.08);
      border: 1px solid rgba(14, 165, 168, 0.16);
      color: var(--primary-deep);
      font-weight: 700;
      width: fit-content;
    }

    .footer-note {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid rgba(16, 33, 63, 0.12);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      position: relative;
      z-index: 1;
      font-size: 13px;
      color: var(--text-soft);
    }

    .drawer {
      position: fixed;
      inset: 0;
      background: rgba(8, 23, 52, 0.45);
      z-index: 120;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
    }

    .drawer.active { opacity: 1; visibility: visible; }

    .drawer-panel {
      width: min(88vw, 360px);
      height: 100%;
      margin-right: auto;
      background: #fff;
      padding: 18px;
      transform: translateX(100%);
      transition: var(--transition);
      display: grid;
      align-content: start;
      gap: 12px;
    }

    .drawer.active .drawer-panel { transform: translateX(0); }

    .drawer-nav a {
      display: block;
      padding: 12px;
      border-radius: 12px;
      font-weight: 700;
      color: var(--text);
      border: 1px solid var(--line);
      margin-bottom: 8px;
    }

    @media (max-width: 1080px) {
      .desktop-nav { display: none; }
      .mobile-toggle { display: inline-flex; }
      .content-layout,
      .footer-grid { grid-template-columns: 1fr; }
      .header-tools .ghost-btn { display: none; }
    }

    @media (max-width: 680px) {
      .container { width: min(1320px, calc(100vw - 20px)); }
      .header-logo img { width: 136px; }
      .page-hero,
      .footer-shell { padding: 18px; }
    }