:root{
    --navy:#0a2a6b;
    --navy-deep:#071d4d;
    --yellow:#fdb71a;
    --bg:#f1f5ff;
    --side:#e3e9fa;
    --bar:#c5cde0;
    --muted:#8fa0c6;
    --white:#ffffff;
    --text:#26407a;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth; scroll-padding-top:80px;}
  body{
    font-family:'DM Sans', system-ui, sans-serif;
    background:var(--bg);
    color:var(--navy);
    line-height:1.6;
    overflow-x:hidden;
  }
  a{color:inherit;}
  a:focus-visible, button:focus-visible{outline:3px solid var(--yellow); outline-offset:3px;}

  .wrap{max-width:1120px; margin:0 auto; padding:0 6vw;}

  /* ---------- nav ---------- */
  nav{
    position:sticky; top:0; z-index:50;
    background:rgba(241,245,255,.92);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:2px solid var(--navy);
  }
  .nav-in{display:flex; align-items:center; justify-content:space-between; height:68px;}
  .brand{text-decoration:none; display:flex; align-items:center; line-height:0;}
  .brand img{height:44px; width:auto; display:block;}
  .nav-links{display:flex; align-items:center; gap:30px; list-style:none; font-weight:600; font-size:.95rem;}
  .nav-links a{text-decoration:none; padding:4px 0; border-bottom:3px solid transparent; transition:border-color .2s;}
  .nav-links a:hover{border-color:var(--yellow);}
  .btn{
    display:inline-block; text-decoration:none; font-weight:700; font-size:1rem;
    padding:14px 26px; border-radius:10px; border:2px solid var(--navy);
    transition:transform .15s ease, background .2s, color .2s;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn-yellow{background:var(--yellow); color:var(--navy);}
  .btn-outline{background:var(--white); color:var(--navy);}
  .btn-outline:hover{background:var(--navy); color:var(--white);}
  .nav-links .btn{padding:10px 20px; font-size:.9rem; border-bottom:2px solid var(--navy);}

  /* ---------- hero ---------- */
  .hero{padding:72px 0 80px;}
  .hero-grid{display:grid; grid-template-columns:1.05fr 1fr; gap:56px; align-items:center;}
  .hero h1{
    font-weight:800; letter-spacing:-.035em; line-height:1.02;
    font-size:clamp(2.6rem, 6vw, 4.8rem);
  }
  .hero h1 .hl{
    display:inline-block; background:var(--yellow);
    padding:2px 16px 8px; margin:8px 0 0 -16px;
  }
  .hero p.lead{font-size:1.25rem; color:var(--text); max-width:30ch; margin:28px 0 34px; line-height:1.5;}
  .cta-row{display:flex; gap:14px; flex-wrap:wrap;}

  /* browser mock */
  .mock{
    background:var(--white); border:3px solid var(--navy); border-radius:18px; overflow:hidden;
    box-shadow:10px 10px 0 var(--navy);
  }
  .mock-bar{background:var(--navy); height:38px; display:flex; align-items:center; gap:7px; padding:0 16px;}
  .mock-bar i{width:11px; height:11px; border-radius:50%; background:var(--muted);}
  .mock-bar i:first-child{background:var(--yellow);}
  .mock-body{display:grid; grid-template-columns:30% 1fr; min-height:280px;}
  .mock-side{background:var(--side); padding:20px 16px; display:flex; flex-direction:column; gap:12px;}
  .mock-side span{height:9px; border-radius:6px; background:var(--muted);}
  .mock-side span:first-child{background:var(--navy); height:11px; width:100%;}
  .mock-side span:nth-child(2){width:55%;} .mock-side span:nth-child(3){width:80%;} .mock-side span:nth-child(4){width:45%;}
  .mock-main{padding:20px;}
  .mock-inputs{display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px;}
  .mock-inputs div{height:34px; border:2px solid var(--navy); border-radius:7px; background:var(--white);}
  .mock-inputs div:last-child{background:var(--yellow); border-color:var(--yellow);}
  .bars{display:flex; align-items:flex-end; gap:10px; height:140px; margin-top:26px;}
  .bars i{
    flex:1; background:var(--bar); height:var(--h);
    transform-origin:bottom; animation:grow .9s cubic-bezier(.2,.8,.2,1) both;
  }
  .bars i:nth-child(1){--h:38%; animation-delay:.05s;}
  .bars i:nth-child(2){--h:58%; animation-delay:.15s;}
  .bars i:nth-child(3){--h:44%; animation-delay:.25s;}
  .bars i:nth-child(4){--h:80%; background:var(--navy); animation-delay:.35s;}
  .bars i:nth-child(5){--h:62%; animation-delay:.45s;}
  .bars i:nth-child(6){--h:100%; background:var(--yellow); animation-delay:.55s;}
  @keyframes grow{from{transform:scaleY(0);}to{transform:scaleY(1);}}

  /* ---------- services ---------- */
  .services{padding:80px 0; background:var(--white); border-top:2px solid var(--navy); border-bottom:2px solid var(--navy);}
  .sec-head{max-width:560px; margin-bottom:44px;}
  .sec-head h2{font-size:clamp(2rem,4vw,3rem); font-weight:800; letter-spacing:-.03em; line-height:1.1;}
  .sec-head p{margin-top:12px; color:var(--text); font-size:1.08rem;}
  .grid{display:grid; grid-template-columns:repeat(2,1fr); gap:18px;}
  .card{
    border:2px solid var(--navy); border-radius:12px; background:var(--white);
    padding:22px 24px; display:flex; gap:18px; align-items:flex-start;
    transition:box-shadow .2s, transform .2s;
  }
  .card:hover{box-shadow:6px 6px 0 var(--yellow); transform:translate(-3px,-3px);}
  .card .ico{
    flex:none; width:44px; height:44px; border-radius:10px; background:var(--side);
    display:flex; align-items:center; justify-content:center;
  }
  .card .ico svg{width:24px; height:24px; stroke:var(--navy); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
  .card h3{font-size:1.15rem; font-weight:700; margin-bottom:3px;}
  .card p{font-size:.95rem; color:var(--text); line-height:1.5;}

  /* ---------- promise ---------- */
  .promise{padding:90px 0;}
  .promise-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:0; border:2px solid var(--navy); border-radius:16px; overflow:hidden; background:var(--white);}
  .promise-grid div{padding:34px 30px;}
  .promise-grid div + div{border-left:2px solid var(--navy);}
  .promise-grid h3{font-size:1.6rem; font-weight:800; letter-spacing:-.02em; margin-bottom:8px;}
  .promise-grid div:nth-child(2){background:var(--yellow);}
  .promise-grid p{color:var(--text); line-height:1.55;}
  .promise-grid div:nth-child(2) p{color:var(--navy);}

  /* ---------- contact ---------- */
  .contact{padding:0 0 90px;}
  .contact-box{
    background:var(--navy); color:var(--white); border-radius:18px;
    padding:54px 52px; display:grid; grid-template-columns:1.1fr 1fr; gap:40px; align-items:center;
  }
  .contact-box h2{
    font-size:clamp(1.8rem,3.6vw,2.7rem); font-weight:800; letter-spacing:-.02em;
    line-height:1.12; color:var(--yellow);
  }
  .contact-box p.sub{margin-top:14px; opacity:.85; max-width:34ch;}
  .contact-list{list-style:none; display:flex; flex-direction:column; gap:14px;}
  .contact-list a{
    display:flex; align-items:center; gap:14px; text-decoration:none;
    padding:16px 18px; border-radius:12px; border:2px solid rgba(255,255,255,.28);
    font-weight:600; transition:background .2s, border-color .2s;
  }
  .contact-list a:hover{background:rgba(255,255,255,.08); border-color:var(--yellow);}
  .contact-list small{display:block; font-size:.78rem; font-weight:500; opacity:.7;}
  .contact-list span.c{flex:none; width:42px; height:42px; border-radius:50%; background:var(--yellow); display:flex; align-items:center; justify-content:center;}
  .contact-list svg{width:20px; height:20px; stroke:var(--navy); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}

  footer{padding:0 0 44px; font-size:.85rem; color:var(--text);}
  .foot-in{display:flex; align-items:center; justify-content:space-between; gap:20px 30px; flex-wrap:wrap; border-top:2px solid var(--navy); padding-top:28px;}
  .foot-logo{display:block; line-height:0;}
  .foot-logo img{height:54px; width:auto; display:block;}
  footer b{color:var(--navy);}

  /* ---------- enquiry form ---------- */
  .form-card{
    margin-top:28px; background:var(--white); border:3px solid var(--navy);
    border-radius:18px; padding:44px 48px; box-shadow:10px 10px 0 var(--yellow);
  }
  .form-card h3{font-size:clamp(1.6rem,3vw,2.2rem); font-weight:800; letter-spacing:-.02em; line-height:1.15;}
  .form-card > p{color:var(--text); margin:8px 0 28px;}
  .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px 20px;}
  .field{display:flex; flex-direction:column; gap:6px;}
  .field.full{grid-column:1 / -1;}
  .field label{font-weight:700; font-size:.92rem;}
  .field input, .field select, .field textarea{
    font:inherit; font-size:1rem; color:var(--navy);
    padding:13px 14px; background:var(--bg);
    border:2px solid var(--navy); border-radius:10px;
    width:100%; transition:box-shadow .15s, background .15s;
  }
  .field select{
    appearance:none; -webkit-appearance:none; cursor:pointer; padding-right:44px;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%230a2a6b' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat:no-repeat; background-position:right 16px center;
  }
  .field textarea{min-height:140px; resize:vertical;}
  .field input:focus, .field select:focus, .field textarea:focus{
    outline:none; background:var(--white); box-shadow:0 0 0 4px var(--yellow);
  }
  .field input:user-invalid, .field select:user-invalid, .field textarea:user-invalid{border-color:#c62828;}
  .form-actions{grid-column:1 / -1; display:flex; gap:14px; flex-wrap:wrap; align-items:center; margin-top:6px;}
  .form-actions button{cursor:pointer; font-family:inherit;}
  .form-note{font-size:.92rem; font-weight:600; color:var(--navy); flex-basis:100%; min-height:1.4em;}
  .form-note.ok{color:#1b7f3a;}
  .form-note.fail{color:#c62828;}
  .form-card > p.form-req{font-size:.88rem; color:var(--text); margin:-18px 0 22px;}
  .field .error{font-size:.82rem; font-weight:600; color:#c62828; min-height:1.1em;}
  .field input.is-invalid, .field select.is-invalid, .field textarea.is-invalid{border-color:#c62828;}
  .hp{position:absolute; left:-10000px; top:auto; width:1px; height:1px; overflow:hidden;}
  .form-actions button[disabled]{opacity:.6; cursor:not-allowed; transform:none;}

  .card.wide{grid-column:1 / -1;}

  /* ---------- send popup ---------- */
  .send-overlay{
    position:fixed; inset:0; z-index:200; display:flex; align-items:center; justify-content:center;
    padding:20px; background:rgba(7,29,77,.6);
  }
  .send-overlay[hidden]{display:none;}
  .send-dialog{
    border:3px solid var(--navy); border-radius:18px;
    padding:34px 32px 30px; width:min(440px, 92vw);
    background:var(--white); color:var(--navy);
    box-shadow:8px 8px 0 var(--yellow);
  }
  .send-dialog h3{font-size:1.6rem; font-weight:800; letter-spacing:-.02em; line-height:1.15;}
  .send-dialog p{color:var(--text); margin:8px 0 22px;}
  .send-options{display:flex; flex-direction:column; gap:12px;}
  .send-options button{
    font-family:inherit; cursor:pointer; text-align:left; width:100%;
    display:flex; align-items:center; gap:14px;
    padding:14px 16px; border-radius:12px; border:2px solid var(--navy);
    background:var(--white); color:var(--navy); font-size:1.02rem; font-weight:700;
    transition:transform .15s, background .2s, box-shadow .2s;
  }
  .send-options button:hover{transform:translateY(-2px); box-shadow:4px 4px 0 var(--yellow);}
  .send-options button small{display:block; font-weight:500; font-size:.82rem; color:var(--text);}
  .send-options .c{flex:none; width:40px; height:40px; border-radius:50%; background:var(--yellow); display:flex; align-items:center; justify-content:center;}
  .send-options svg{width:20px; height:20px; stroke:var(--navy); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
  .send-options button[data-send="both"]{background:var(--navy); color:var(--white);}
  .send-options button[data-send="both"] small{color:rgba(255,255,255,.8);}
  .send-cancel{
    margin-top:16px; width:100%; background:none; border:0; cursor:pointer;
    font-family:inherit; font-size:.95rem; font-weight:600; color:var(--text); padding:8px; text-decoration:underline;
  }

  /* ---------- responsive ---------- */
  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr; gap:48px;}
    .hero{padding:48px 0 60px;}
    .contact-box{grid-template-columns:1fr; padding:40px 28px;}
    .promise-grid{grid-template-columns:1fr;}
    .promise-grid div + div{border-left:0; border-top:2px solid var(--navy);}
  }
  @media (max-width:640px){
    .nav-links li:not(:last-child){display:none;}
    .grid{grid-template-columns:1fr;}
    .hero h1 .hl{margin-left:-10px; padding:2px 10px 6px;}
    .mock{box-shadow:6px 6px 0 var(--navy);}
    .services{padding:60px 0;}
    .promise{padding:60px 0;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important; transition:none !important;}
    html{scroll-behavior:auto;}
  }