:root{
    --color-bg:#ffffff;
    --color-bg-soft:#f2f7fc;
    --color-bg-deep:#0a3654;
    --color-primary:#0b4f80;
    --color-primary-dark:#073352;
    --color-primary-light:#e8f1f9;
    --color-accent:#f2a93b;
    --color-accent-dark:#d68f22;
    --color-text:#16232f;
    --color-text-muted:#5a6b7a;
    --color-border:#e1e8ef;
    --radius-sm:8px;
    --radius-md:14px;
    --radius-lg:22px;
    --shadow-sm:0 2px 10px rgba(11,79,128,0.06);
    --shadow-md:0 10px 30px rgba(11,79,128,0.10);
    --font-display:'Vazirmatn', sans-serif;
    --font-body:'Vazirmatn', sans-serif;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--font-body);
    color:var(--color-text);
    background:var(--color-bg);
    line-height:1.85;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  ul{list-style:none;}
  button{font-family:inherit; cursor:pointer;}
  input, select, textarea{font-family:inherit;}

  .wrap{max-width:1180px; margin:0 auto; padding:0 24px;}
  section{padding:96px 0;}
  @media (max-width:720px){ section{padding:64px 0;} }

  h1,h2,h3,h4{font-family:var(--font-display); font-weight:800; color:var(--color-primary-dark); line-height:1.35;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:14px; font-weight:700; color:var(--color-primary);
    background:var(--color-primary-light);
    padding:6px 16px; border-radius:999px;
    margin-bottom:18px;
  }
  .eyebrow .dot{width:7px; height:7px; border-radius:50%; background:var(--color-accent); flex:none;}
  .section-head{max-width:640px; margin-bottom:52px;}
  .section-head p{color:var(--color-text-muted); font-size:17px; margin-top:14px;}
  .section-head.center{max-width:680px; margin-left:auto; margin-right:auto; text-align:center;}

  /* ===== Reveal on scroll ===== */
  .reveal{opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}

  /* ===== Header ===== */
  header{
    position:fixed; inset-inline:0; top:0; z-index:100;
    background:rgba(255,255,255,0.9); backdrop-filter:blur(10px);
    border-bottom:1px solid var(--color-border);
  }
  .nav{display:flex; align-items:center; justify-content:space-between; height:76px;}
  .brand{display:flex; align-items:center; gap:12px; font-family:var(--font-display); font-weight:800; font-size:20px; color:var(--color-primary-dark);}
  .brand-mark{
    width:40px; height:40px; border-radius:11px;
    background:linear-gradient(155deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display:flex; align-items:center; justify-content:center; flex:none;
  }
  .nav-links{display:flex; align-items:center; gap:36px; font-weight:600; font-size:15px;}
  .nav-links a{color:var(--color-text); position:relative; padding:6px 0;}
  .nav-links a:hover{color:var(--color-primary);}
  .nav-cta{
    background:var(--color-primary); color:#fff; padding:11px 24px;
    border-radius:999px; font-weight:700; font-size:14px;
    transition:background .2s ease, transform .2s ease;
  }
  .nav-cta:hover{background:var(--color-primary-dark); transform:translateY(-1px);}
  .nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px;}
  .nav-toggle span{width:24px; height:2px; background:var(--color-primary-dark); border-radius:2px;}
  .nav-mobile{display:none; flex-direction:column; gap:2px; padding:12px 0 20px; border-top:1px solid var(--color-border);}
  .nav-mobile a{padding:12px 4px; font-weight:600; border-bottom:1px solid var(--color-border);}
  .nav-mobile.open{display:flex;}

  @media (max-width:880px){
    .nav-links, .nav-cta.desktop-only{display:none;}
    .nav-toggle{display:flex;}
  }

  /* ===== Hero ===== */
  .hero{
    position:relative; overflow:hidden;
    padding:168px 0 110px;
    background:radial-gradient(1100px 560px at 78% -10%, #114a70 0%, var(--color-bg-deep) 46%, var(--color-primary-dark) 100%);
    color:#fff;
  }
  .pulse-rings{position:absolute; inset-inline-end:-140px; top:50%; transform:translateY(-50%); width:640px; height:640px; opacity:0.5; pointer-events:none;}
  .pulse-rings circle{fill:none; stroke:#7fc4ee; stroke-width:1.4; transform-origin:center;}
  .pulse-rings .r1{animation:pulse 4.5s ease-out infinite;}
  .pulse-rings .r2{animation:pulse 4.5s ease-out infinite; animation-delay:1.1s;}
  .pulse-rings .r3{animation:pulse 4.5s ease-out infinite; animation-delay:2.2s;}
  .pulse-rings .r4{animation:pulse 4.5s ease-out infinite; animation-delay:3.3s;}
  @keyframes pulse{
    0%{opacity:0.85; transform:scale(0.4);}
    100%{opacity:0; transform:scale(1);}
  }
  @media (prefers-reduced-motion:reduce){
    .pulse-rings circle{animation:none; opacity:0.35;}
  }
  .hero-grid{display:grid; grid-template-columns:1.15fr 0.85fr; gap:40px; align-items:center; position:relative; z-index:2;}
  @media (max-width:920px){ .hero-grid{grid-template-columns:1fr;} }

  .hero h1{color:#fff; font-size:clamp(34px,4.6vw,54px); max-width:640px;}
  .hero h1 .accent{color:var(--color-accent);}
  .hero p.lead{color:#cfe3f2; font-size:18px; max-width:520px; margin-top:22px;}
  .hero-eyebrow{
    display:inline-flex; align-items:center; gap:8px; font-size:14px; font-weight:700;
    color:#bfe0f7; background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.16);
    padding:7px 16px; border-radius:999px; margin-bottom:24px;
  }
  .hero-eyebrow .dot{width:7px; height:7px; border-radius:50%; background:#57e08c; flex:none; animation:blink 2s ease-in-out infinite;}
  @keyframes blink{0%,100%{opacity:1;} 50%{opacity:0.3;}}

  .hero-actions{display:flex; gap:14px; margin-top:36px; flex-wrap:wrap;}
  .btn{
    display:inline-flex; align-items:center; gap:8px; padding:15px 30px;
    border-radius:999px; font-weight:700; font-size:15px; border:none;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .btn-primary{background:var(--color-accent); color:#3a2708;}
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 24px rgba(242,169,59,0.35);}
  .btn-outline{background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,0.4);}
  .btn-outline:hover{background:rgba(255,255,255,0.1); border-color:#fff;}
  .btn-block-primary{background:var(--color-primary); color:#fff; width:100%; justify-content:center;}
  .btn-block-primary:hover{background:var(--color-primary-dark);}

  .hero-card{
    background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.14);
    border-radius:var(--radius-lg); padding:30px; backdrop-filter:blur(6px);
  }
  .hero-card h4{color:#fff; font-size:16px; margin-bottom:18px; font-weight:700;}
  .hero-stat-row{display:flex; align-items:center; justify-content:space-between; padding:14px 0; border-bottom:1px solid rgba(255,255,255,0.12);}
  .hero-stat-row:last-child{border-bottom:none;}
  .hero-stat-row .label{color:#bfd9ec; font-size:14px;}
  .hero-stat-row .val{color:#fff; font-weight:800; font-family:var(--font-display); font-variant-numeric:tabular-nums;}
  .signal-mini{display:flex; align-items:flex-end; gap:3px; height:16px;}
  .signal-mini span{width:4px; background:var(--color-accent); border-radius:2px;}
  .signal-mini span:nth-child(1){height:35%;}
  .signal-mini span:nth-child(2){height:60%;}
  .signal-mini span:nth-child(3){height:80%;}
  .signal-mini span:nth-child(4){height:100%;}

  /* ===== Services ===== */
  .service-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
  @media (max-width:980px){ .service-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .service-grid{grid-template-columns:1fr;} }
  .service-card{
    background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-md);
    padding:32px 26px; transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .service-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:transparent;}
  .service-icon{
    width:52px; height:52px; border-radius:14px; background:var(--color-primary-light);
    display:flex; align-items:center; justify-content:center; margin-bottom:20px;
  }
  .service-card h3{font-size:18px; margin-bottom:10px;}
  .service-card p{color:var(--color-text-muted); font-size:15px;}

  /* ===== Packages ===== */
  .packages{background:var(--color-bg-soft);}
  .pkg-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
  @media (max-width:980px){ .pkg-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .pkg-grid{grid-template-columns:1fr;} }
  .pkg-card{
    background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg);
    padding:30px 26px; position:relative; display:flex; flex-direction:column;
    transition:transform .25s ease, box-shadow .25s ease;
  }
  .pkg-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-md);}
  .pkg-card.featured{border:2px solid var(--color-accent);}
  .pkg-badge{
    position:absolute; top:-13px; inset-inline-start:26px;
    background:var(--color-accent); color:#3a2708; font-size:12px; font-weight:800;
    padding:5px 14px; border-radius:999px;
  }
  .pkg-name{font-family:var(--font-display); font-weight:800; font-size:19px; margin-bottom:6px;}
  .pkg-speed{color:var(--color-text-muted); font-size:14px; margin-bottom:20px;}
  .pkg-price{font-family:var(--font-display); font-weight:900; font-size:34px; color:var(--color-primary); font-variant-numeric:tabular-nums;}
  .pkg-price sup{font-size:15px; font-weight:700; color:var(--color-text-muted);}
  .pkg-period{color:var(--color-text-muted); font-size:13px; margin-bottom:22px;}
  .pkg-features{margin-bottom:26px; flex:1;}
  .pkg-features li{display:flex; align-items:center; gap:10px; font-size:14.5px; padding:7px 0; color:var(--color-text);}
  .pkg-features li svg{flex:none;}
  .pkg-note{
    text-align:center; color:var(--color-text-muted); font-size:13.5px; margin-top:36px;
    background:#fff; border:1px dashed var(--color-border); border-radius:var(--radius-sm); padding:14px 18px;
  }

  /* ===== Customer Panel ===== */
  .panel-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:52px; align-items:start;}
  @media (max-width:920px){ .panel-grid{grid-template-columns:1fr;} }
  .panel-box{
    background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg);
    padding:34px; box-shadow:var(--shadow-sm);
  }
  .field{margin-bottom:18px;}
  .field label{display:block; font-size:14px; font-weight:700; margin-bottom:8px; color:var(--color-text);}
  .field input, .field select{
    width:100%; padding:13px 16px; border:1.5px solid var(--color-border); border-radius:var(--radius-sm);
    font-size:15px; transition:border-color .2s ease;
  }
  .field input:focus, .field select:focus{outline:none; border-color:var(--color-primary);}
  .panel-result{
    margin-top:22px; border-radius:var(--radius-sm); padding:20px; display:none;
  }
  .panel-result.show{display:block;}
  .panel-result.ok{background:#eaf7ef; border:1px solid #bfe6cc;}
  .panel-result.err{background:#fdecec; border:1px solid #f3c1c1;}
  .panel-result .row{display:flex; justify-content:space-between; padding:6px 0; font-size:14.5px;}
  .panel-result .row .k{color:var(--color-text-muted);}
  .panel-result .row .v{font-weight:700; font-variant-numeric:tabular-nums;}
  .panel-steps li{display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--color-border);}
  .panel-steps li:last-child{border-bottom:none;}
  .step-num{
    width:34px; height:34px; border-radius:50%; background:var(--color-primary-light); color:var(--color-primary);
    display:flex; align-items:center; justify-content:center; font-weight:800; flex:none; font-family:var(--font-display);
  }
  .step-txt h4{font-size:15.5px; margin-bottom:4px;}
  .step-txt p{color:var(--color-text-muted); font-size:14px;}

  /* ===== Request form ===== */
  .request{background:var(--color-bg-soft);}
  .request-box{
    background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg);
    padding:40px; max-width:760px; margin:0 auto; box-shadow:var(--shadow-sm);
  }
  .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
  @media (max-width:640px){ .form-grid{grid-template-columns:1fr;} }
  .form-grid .full{grid-column:1 / -1;}
  textarea{
    width:100%; padding:13px 16px; border:1.5px solid var(--color-border); border-radius:var(--radius-sm);
    font-size:15px; resize:vertical; min-height:100px;
  }
  textarea:focus{outline:none; border-color:var(--color-primary);}
  .form-success{
    display:none; align-items:center; gap:10px; background:#eaf7ef; border:1px solid #bfe6cc;
    border-radius:var(--radius-sm); padding:14px 18px; margin-top:18px; font-size:14.5px; color:#1a6b3a; font-weight:700;
  }
  .form-success.show{display:flex;}

  /* ===== Contact ===== */
  .contact-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
  @media (max-width:820px){ .contact-grid{grid-template-columns:1fr;} }
  .contact-card{
    background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-md); padding:28px;
  }
  .contact-card .service-icon{margin-bottom:16px;}
  .contact-card h4{font-size:15.5px; margin-bottom:6px;}
  .contact-card p{color:var(--color-text-muted); font-size:14.5px;}

  /* ===== Footer ===== */
  footer{background:var(--color-bg-deep); color:#bfd9ec; padding:56px 0 26px;}
  .footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; margin-bottom:40px;}
  @media (max-width:720px){ .footer-grid{grid-template-columns:1fr; gap:30px;} }
  .footer-brand{display:flex; align-items:center; gap:10px; color:#fff; font-family:var(--font-display); font-weight:800; font-size:18px; margin-bottom:14px;}
  footer p{font-size:14px; color:#9fc0d6; max-width:320px;}
  footer h5{color:#fff; font-size:14.5px; margin-bottom:16px; font-weight:700;}
  footer ul li{padding:6px 0;}
  footer ul li a{color:#a9c8dc; font-size:14px; transition:color .2s ease;}
  footer ul li a:hover{color:#fff;}
  .footer-bottom{border-top:1px solid rgba(255,255,255,0.1); padding-top:22px; font-size:13px; color:#82a3ba; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

  ::selection{background:var(--color-accent); color:#3a2708;}


/* Active nav link */
.nav-links a.active{color:var(--color-primary);}
.nav-links a.active::after{content:''; position:absolute; right:0; left:0; bottom:-6px; height:2px; background:var(--color-accent); border-radius:2px;}
.nav-links a{position:relative;}
.nav-mobile a.active{color:var(--color-primary);}