:root{
      --psa-orange:#f5a000;
      --psa-orange-dark:#db8900;
      --psa-black:#0a0a0a;
      --psa-charcoal:#111111;
      --psa-gray:#b9b9b9;
      --psa-white:#ffffff;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      font-family:'Montserrat',sans-serif;
      background:#050505;
      color:#fff;
      overflow-x:hidden;
    }

    a{text-decoration:none}

    .navbar{
      background:rgba(10,10,10,.86);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }

    .navbar-brand{
      font-weight:800;
      letter-spacing:.5px;
      color:#fff;
    }
    .navbar-brand span{color:var(--psa-orange)}

    .nav-link{
      color:#e9e9e9!important;
      font-weight:600;
      margin:0 .35rem;
    }
    .nav-link:hover,
    .nav-link.active{color:var(--psa-orange)!important}

    .btn-psa{
      background:var(--psa-orange);
      color:#111;
      font-weight:700;
      border:none;
      border-radius:999px;
      padding:.9rem 1.4rem;
      box-shadow:0 10px 30px rgba(245,160,0,.22);
    }
    .btn-psa:hover{background:#ffb31f;color:#111}

    .btn-outline-psa{
      border:1px solid rgba(255,255,255,.25);
      color:#fff;
      font-weight:700;
      border-radius:999px;
      padding:.9rem 1.4rem;
    }
    .btn-outline-psa:hover{background:#fff;color:#111}

    .hero-sector{
      position:relative;
      min-height:82vh;
      display:flex;
      align-items:center;
      background:
        linear-gradient(90deg, rgba(0,0,0,.94) 0%, rgba(0,0,0,.82) 42%, rgba(0,0,0,.48) 100%),
        radial-gradient(circle at 18% 26%, rgba(245,160,0,.14), transparent 35%),
        url('https://images.unsplash.com/photo-1554224155-8d04cb21cd6c?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
      padding-top:90px;
    }

    .hero-sector::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(to top, #050505 0%, rgba(5,5,5,.12) 38%, rgba(5,5,5,.02) 100%);
      pointer-events:none;
    }

    .hero-content{position:relative;z-index:2}

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.45rem .85rem;
      border:1px solid rgba(245,160,0,.35);
      background:rgba(245,160,0,.10);
      color:#ffd27a;
      border-radius:999px;
      font-size:.9rem;
      font-weight:700;
      text-transform:uppercase;
      letter-spacing:.08em;
      margin-bottom:1rem;
    }

    .hero-sector h1{
      font-size:clamp(2.4rem, 6vw, 4.9rem);
      font-weight:800;
      line-height:1.03;
      margin-bottom:1.1rem;
      max-width:790px;
    }

    .text-accent{color:var(--psa-orange)}

    .hero-sector p{
      font-size:1.08rem;
      color:#d5d5d5;
      max-width:740px;
      margin-bottom:1.7rem;
    }

    .glass-panel,
    .project-card,
    .feature-box,
    .sector-card,
    .contact-card,
    .process-card,
    .cta-box{
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      box-shadow:0 8px 30px rgba(0,0,0,.18);
    }

    .glass-panel{padding:1.5rem;backdrop-filter: blur(10px)}

    .mini-stat{
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      padding:1rem;
      height:100%;
    }

    .mini-stat h3{
      color:var(--psa-orange);
      font-size:1.7rem;
      font-weight:800;
      margin-bottom:.15rem;
    }

    section{padding:90px 0}
    .dark-section{background:#0a0a0a}
    .soft-section{background:linear-gradient(180deg, #0b0b0b 0%, #121212 100%)}

    .section-title{
      font-size:clamp(1.8rem, 4vw, 3rem);
      font-weight:800;
      margin-bottom:.75rem;
    }

    .section-subtitle{
      color:#cfcfcf;
      max-width:780px;
      margin-bottom:2.5rem;
    }

    .project-card,
    .feature-box,
    .process-card,
    .contact-card{padding:1.6rem;height:100%}

    .project-card{
      transition:.25s ease;
    }
    .project-card:hover,
    .feature-box:hover,
    .sector-card:hover,
    .process-card:hover{
      transform:translateY(-6px);
      border-color:rgba(245,160,0,.35);
      box-shadow:0 20px 50px rgba(0,0,0,.28);
    }

    .icon-badge{
      width:62px;
      height:62px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:18px;
      background:rgba(245,160,0,.14);
      color:var(--psa-orange);
      font-size:1.45rem;
      margin-bottom:1rem;
      border:1px solid rgba(245,160,0,.24);
    }

    .project-card h4,
    .feature-box h5,
    .process-card h5,
    .contact-card h5{
      font-weight:800;
      margin-bottom:.75rem;
    }

    .project-card p,
    .project-card li,
    .feature-box p,
    .feature-box li,
    .process-card p,
    .contact-card p,
    .contact-card li{color:#d3d3d3}

    .project-card ul,
    .feature-box ul,
    .contact-card ul{
      padding-left:1rem;
      margin-bottom:0;
    }

    .sector-card{
      padding:1.35rem;
      text-align:center;
      height:100%;
      transition:.25s ease;
    }

    .sector-card i{
      font-size:1.5rem;
      color:var(--psa-orange);
      margin-bottom:.75rem;
      display:block;
    }

    .timeline-line{
      position:relative;
      padding-left:1.4rem;
      border-left:1px solid rgba(245,160,0,.28);
    }

    .timeline-line::before{
      content:"";
      position:absolute;
      left:-6px;
      top:8px;
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--psa-orange);
      box-shadow:0 0 0 6px rgba(245,160,0,.12);
    }

    .contact-item{
      display:flex;
      gap:1rem;
      margin-bottom:1.2rem;
      align-items:flex-start;
    }

    .contact-item i{
      width:48px;
      height:48px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(245,160,0,.14);
      color:var(--psa-orange);
      font-size:1.1rem;
      flex-shrink:0;
    }

    .form-control,
    .form-select{
      background:#0b0b0b;
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      border-radius:16px;
      padding:.95rem 1rem;
    }

    .form-control:focus,
    .form-select:focus{
      background:#0b0b0b;
      color:#fff;
      border-color:rgba(245,160,0,.55);
      box-shadow:0 0 0 .25rem rgba(245,160,0,.12);
    }

    .footer{
      padding:26px 0;
      background:#050505;
      border-top:1px solid rgba(255,255,255,.08);
    }

    .small-muted{color:#bfbfbf}

    .floating-whatsapp{
      position:fixed;
      right:18px;
      bottom:18px;
      width:60px;
      height:60px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#25d366;
      color:#fff;
      font-size:1.6rem;
      box-shadow:0 15px 30px rgba(37,211,102,.35);
      z-index:999;
    }

    @media (max-width: 991.98px){
      .hero-sector{
        min-height:auto;
        padding:130px 0 80px;
      }
      .glass-panel{margin-top:2rem}
    }