:root{
      --brand: #0b2c61;          /* Dark blue: header/footer, headings, buttons */
      --brand-700: #082248;
      --accent: #00bfb2;         /* Teal accent for highlights */
      --bg: #ffffff;             /* White background */
      --card: #85a7dc;           /* Subtle card background */
      --text: #1f2937;           /* Primary text */
      --muted: #060606;          /* Secondary text */
      --stroke: #e5e7eb;         /* Border color */
      --radius: 14px;
      --shadow: 0 10px 24px rgba(11,44,97,.08);
      --shadow-soft: 0 6px 16px rgba(11,44,97,.06);
      --container: 1200px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body{
      margin: 0;
      font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.6;
    }

    /* Skip link */
    .skip-link{
      position: absolute; left: -9999px; top: auto;
      width: 1px; height: 1px; overflow: hidden;
    }
    .skip-link:focus{
      left: 16px; top: 16px; width: auto; height: auto;
      background: #fff; color: var(--brand);
      padding: 8px 12px; border-radius: 10px; z-index: 10000;
      outline: 2px solid var(--brand);
    }

    /* Header / Nav */
    header{
      position: sticky; top: 0; z-index: 1000;
      background: var(--brand);
      color: #fff;
      box-shadow: 0 2px 10px rgba(0,0,0,.08);
    }
    .nav{
      max-width: var(--container);
      margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
      padding: 14px 20px;
    }
    .brand{
      display: flex; align-items: center; gap: 12px;
      font-weight: 800; letter-spacing: .3px; font-size: 1rem;
      text-decoration: none; color: #fff;
    }
    .brand-logo{
      width: 36px; height: 36px; border-radius: 10px;
      background: linear-gradient(135deg, #14c2b1, #0094ff);
      display: grid; place-items: center; color: #fff; font-weight: 800;
      border: 1px solid rgba(255,255,255,.25);
    }
    .menu{
      display: flex; gap: 10px; align-items: center;
    }
    .menu a{
      color: #eaf1ff; text-decoration: none; font-weight: 600;
      padding: 10px 12px; border-radius: 10px;
    }
    .menu a:hover, .menu a:focus{
      background: rgba(255,255,255,.08);
      outline: none;
    }
    .cta{
      background: #fff; color: var(--brand); font-weight: 800;
      padding: 10px 14px; border-radius: 12px; text-decoration: none;
      box-shadow: var(--shadow);
      border: 0;
    }

    /* Mobile nav */
    .burger{
      display: none; background: transparent; border: 1px solid rgba(255,255,255,.4);
      color: #fff; border-radius: 10px; padding: 8px 10px;
    }
    @media (max-width: 900px){
      .menu{ display: none; }
      .burger{ display: inline-flex; align-items: center; gap: 8px; }
      .menu.open{
        position: absolute; left: 0; right: 0; top: 64px;
        background: var(--brand-700);
        display: grid; gap: 4px; padding: 14px 16px;
        border-bottom: 1px solid rgba(255,255,255,.15);
      }
      .menu.open a{ padding: 12px; }
      .menu.open .cta{ justify-self: start; }
    }

    /* Layout Helpers */
    .container{
      max-width: var(--container); margin: 0 auto; padding: 0 20px;
    }
    section{ padding: 72px 0; }
    .section-head{
      display: grid; gap: 6px; margin-bottom: 28px;
    }
    .eyebrow{
      color: var(--accent); text-transform: uppercase; letter-spacing: 1.6px; font-weight: 800;
      font-size: .9rem;
    }
    h1,h2,h3{ margin: 0; line-height: 1.2; }
    h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--brand); }
    p.lead{ color: var(--muted); max-width: 68ch; }

    /* Hero */
    .hero{
      position: relative; overflow: clip;
      background: #ffffff;
      padding: 90px 0 40px;
      border-bottom: 1px solid var(--stroke);
    }
    .hero-grid{
      display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center;
    }
    .badge{
      display: inline-flex; gap: 10px; align-items: center;
      border: 1px solid var(--stroke);
      padding: 8px 12px; border-radius: 999px; color: var(--brand);
      background: #f0f7ff;
      font-weight: 700; width: max-content;
    }
    .hero h1{
      font-size: clamp(2rem, 4.2vw, 3rem); color: var(--brand);
      margin-top: 10px;
    }
    .hero .actions{ display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
    .btn{
      padding: 12px 16px; border-radius: 12px; border: 1px solid var(--stroke); background: #fff;
      color: var(--brand); font-weight: 800; text-decoration: none;
    }
    .btn.primary{
      background: linear-gradient(135deg, #00bfb2, #0094ff); color: #fff; border: 0;
      box-shadow: var(--shadow);
    }
    .hero-card{
      background: var(--card); border: 1px solid var(--stroke); border-radius: var(--radius); padding: 20px;
      box-shadow: var(--shadow-soft);
    }
    .hero-kpis{
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px;
    }
    .kpi{
      background: #9fe9d9; border: 1px solid var(--stroke); border-radius: 12px; padding: 14px;
      display: grid; gap: 4px; text-align: center;
    }
    .kpi .num{ font-weight: 800; font-size: 1.4rem; color: var(--brand); }
    .kpi .lbl{ color: var(--muted); font-size: .9rem; }

    /* Services */
    .cards{
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    @media (max-width: 980px){ .hero-grid{ grid-template-columns: 1fr; } .hero-kpis{ grid-template-columns: repeat(3, minmax(0,1fr)); } .cards{ grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 640px){ .cards{ grid-template-columns: 1fr; } .hero-kpis{ grid-template-columns: 1fr 1fr 1fr; } }

    .card{
      background: #b2dfe9; border: 1px solid var(--stroke); border-radius: var(--radius); padding: 20px;
      box-shadow: var(--shadow-soft); display: grid; gap: 8px;
    }
    .icon{
      width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
      background: #f0f7ff; color: var(--brand); border: 1px solid var(--stroke);
    }
    .card ul{ margin: 0; padding-left: 16px; color: var(--muted); }
    .chip{
      display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px;
      border: 1px solid var(--stroke); border-radius: 999px; font-size: .85rem;
      background: #f7fffe; color: var(--accent); font-weight: 700; width: max-content;
    }

    /* Projects */
    .projects-grid{
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    @media (max-width: 900px){ .projects-grid{ grid-template-columns: repeat(2, 1fr);} }
    @media (max-width: 620px){ .projects-grid{ grid-template-columns: 1fr;} }
    .project{
      background: #fff; border: 1px solid var(--stroke); border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow-soft);
    }
    .thumb{
      height: 140px; background: linear-gradient(135deg, rgba(11,44,97,.08), rgba(0,148,255,.12));
      display: grid; place-items: center; border-bottom: 1px solid var(--stroke);
    }
    .project .body{ padding: 16px; display: grid; gap: 8px; }

    /* Why Us */
    .why-grid{
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    }
    @media (max-width: 980px){ .why-grid{ grid-template-columns: repeat(2, 1fr);} }
    @media (max-width: 640px){ .why-grid{ grid-template-columns: 1fr;} }
    .check{
      display: flex; gap: 12px; align-items: flex-start; background: #fff;
      border: 1px solid var(--stroke); border-radius: var(--radius); padding: 16px;
      box-shadow: var(--shadow-soft);
    }
    .tick{
      width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
      background: rgba(0,191,178,.18); border: 1px solid var(--stroke);
    }

    /* Blog */
    .posts{
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    @media (max-width: 900px){ .posts{ grid-template-columns: repeat(2, 1fr);} }
    @media (max-width: 620px){ .posts{ grid-template-columns: 1fr;} }
    .post{
      background: #fff; border: 1px solid var(--stroke); border-radius: var(--radius);
      box-shadow: var(--shadow-soft); overflow: hidden; display: grid;
    }
    .cover{ height: 140px; background: radial-gradient(80% 60% at 20% 30%, rgba(0,148,255,.2), transparent), linear-gradient(135deg, rgba(11,44,97,.08), rgba(0,191,178,.18)); border-bottom: 1px solid var(--stroke); }
    .post .body{ padding: 14px; display: grid; gap: 8px; }
    .post .meta{ font-size: .85rem; color: var(--muted); }

    /* Contact */
    .contact-wrap{
      display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px;
    }
    @media (max-width: 900px){ .contact-wrap{ grid-template-columns: 1fr; } }
    form{ display: grid; gap: 12px; }
    input, textarea{
      width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--stroke);
      background: #fff; color: var(--text); outline: none;
    }
    input:focus, textarea:focus{ border-color: var(--brand); box-shadow: 0 0 0 3px rgba(11,44,97,.08); }
    button{
      background: var(--brand); color: #fff; padding: 12px 16px; border: 0; border-radius: 12px;
      font-weight: 800; cursor: pointer; box-shadow: var(--shadow);
    }
    .map{
      height: 260px; border-radius: var(--radius); border: 1px dashed var(--stroke);
      background: repeating-linear-gradient(135deg, #f7f9fc, #f7f9fc 10px, #ffffff 10px, #ffffff 20px);
      display: grid; place-items: center; color: var(--muted);
    }

    /* Footer */
    footer{
      background: var(--brand);
      color: #cfe4ff;
      margin-top: 40px;
      border-top: 1px solid rgba(255,255,255,.12);
    }
    .foot{
      max-width: var(--container); margin: 0 auto; padding: 34px 20px;
      display: grid; gap: 22px; grid-template-columns: 2fr 1fr 1fr 1.2fr;
    }
    @media (max-width: 980px){ .foot{ grid-template-columns: 1fr 1fr; } }
    @media (max-width: 620px){ .foot{ grid-template-columns: 1fr; } }
    .foot h4{ color: #ffffff; margin-bottom: 10px; }
    .foot a{ color: #eaf1ff; text-decoration: none; }
    .foot a:hover{ text-decoration: underline; }
    .copyright{
      border-top: 1px solid rgba(255,255,255,.12); padding: 12px 20px; text-align: center; color: #eaf1ff;
    }

    /* Decorative hero waves */
    .hero-wave{
      position: absolute; inset: auto 0 0 0; height: 120px; pointer-events: none;
    }