:root{
    --navy:#04263F; --navy-2:#063657; --blue:#0A4A74; --red:#D4141B; --red-dark:#A60F15;
    --cyan:#3FB8E6; --green:#6FCB9F; --bg-light:#F4F8FB; --text-dark:#15202B;
    --muted:#8AA0B0; --white:#FFFFFF; --line:#E1E9F0;
    --drop:linear-gradient(160deg,var(--green),var(--cyan));
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:'Inter',system-ui,sans-serif;color:var(--text-dark);background:var(--navy);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  a{text-decoration:none;color:inherit}
  h1,h2,h3,h4{font-family:'Montserrat',sans-serif;line-height:1.1;color:var(--navy)}
  .wrap{max-width:1280px;margin:0 auto;padding:0 64px}
  @media(max-width:880px){.wrap{padding:0 24px}}
  .btn{display:inline-flex;align-items:center;gap:.55em;font-family:'Inter';font-weight:600;font-size:.95rem;border-radius:6px;cursor:pointer;border:none;transition:.2s}
  .btn-red{background:var(--red);color:#fff;padding:14px 26px}
  .btn-red:hover{background:var(--red-dark)}
  .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;background:transparent;padding:13px 26px}
  .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(63,184,230,.08)}
  .eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);display:inline-flex;align-items:center;gap:.7em}
  .eyebrow::before{content:"";width:30px;height:2px;background:var(--drop);display:inline-block}

  /* ---------- LOGO MARK (your uploaded droplet) ---------- */
  .flame{display:inline-block;width:22px;height:38px;flex:none;
    background:url('/assets/images/logo-mark.png') center/contain no-repeat}

  /* ---------- HEADER ---------- */
  header.site{position:fixed;top:0;left:0;right:0;z-index:60;height:84px;display:flex;align-items:center;transition:background .3s,box-shadow .3s,height .25s ease}
  header.site.scrolled{background:rgba(4,38,63,.96);box-shadow:0 6px 24px rgba(0,0,0,.3);height:68px}
  header.site.scrolled .flame{width:19px;height:32px;transition:width .25s ease,height .25s ease}
  header.site.scrolled .logo .txt{font-size:1.14rem;transition:font-size .25s ease}
  header.site.scrolled .logo .txt small{font-size:.5rem;transition:font-size .25s ease}
  header.site.scrolled nav a{font-size:.87rem;transition:font-size .25s ease}
  header.site.scrolled nav a.btn-red{padding:11px 20px;transition:padding .25s ease}
  header.site .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
  .logo{display:flex;align-items:center;gap:11px}
  .logo .txt{font-family:'Montserrat';font-weight:900;font-size:1.32rem;letter-spacing:.02em;color:#fff;line-height:1}
  .logo .txt small{display:block;font-family:'Inter';font-weight:500;font-size:.56rem;letter-spacing:.34em;color:var(--cyan);margin-top:3px}
  header.site nav{display:flex;align-items:center;gap:34px}
  header.site nav a{color:#fff;font-size:.95rem;font-weight:500;opacity:.88;transition:opacity .2s}
  header.site nav a:hover{opacity:1;color:var(--cyan)}
  @media(max-width:940px){header.site nav a:not(.btn){display:none}}

  /* ---------- HERO ---------- */
  .hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
  .hero-bg{position:absolute;inset:0;z-index:0}
  .hero-bg video,.hero-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .vslider{position:absolute;inset:0}
  .vslide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .9s ease}
  .vslide.is-active{opacity:1}
  /* animated detection & alarm slide */
  .vslide--gfx{display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 44%,#0A3552,#04263F 62%)}
  .detector{position:relative;width:300px;height:300px;display:flex;align-items:center;justify-content:center}
  .ddome{width:120px;height:120px;border-radius:50%;background:linear-gradient(160deg,#1b3f5c,#0a2236);border:2px solid rgba(63,184,230,.55);display:flex;align-items:center;justify-content:center;box-shadow:0 0 46px rgba(63,184,230,.3)}
  .dled{width:22px;height:22px;border-radius:50%;background:var(--red);box-shadow:0 0 22px 6px rgba(212,20,27,.85);animation:dblink 1.1s infinite}
  @keyframes dblink{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.78)}}
  .dring{position:absolute;width:120px;height:120px;border:2px solid rgba(212,20,27,.7);border-radius:50%;animation:dripple 2.4s linear infinite}
  .dring.r2{animation-delay:.8s}.dring.r3{animation-delay:1.6s}
  @keyframes dripple{0%{transform:scale(1);opacity:.75}100%{transform:scale(2.5);opacity:0}}
  .vdots{position:absolute;z-index:3;right:40px;bottom:34px;display:flex;gap:9px}
  .vdot{width:34px;height:4px;border-radius:2px;border:none;background:rgba(255,255,255,.32);cursor:pointer;padding:0;transition:.3s}
  .vdot:hover{background:rgba(255,255,255,.6)}
  .vdot.is-on{background:var(--cyan);width:48px}
  .vcaption{position:absolute;z-index:3;left:40px;bottom:30px;font-family:'Inter';font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;display:flex;align-items:center;gap:.7em}
  .vcaption::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 10px 2px rgba(212,20,27,.7);animation:dblink 1.4s infinite}
  @media(max-width:760px){.vdots{right:24px;bottom:60px}.vcaption{left:24px;bottom:22px;font-size:.66rem}}
  .hero-bg video{animation:slowzoom 20s ease-in-out infinite alternate}
  @keyframes slowzoom{from{transform:scale(1)}to{transform:scale(1.08)}}
  .hero-fallback{background:
    radial-gradient(120% 100% at 12% 120%, rgba(63,184,230,.4), transparent 50%),
    radial-gradient(90% 90% at 90% -10%, rgba(212,20,27,.45), transparent 55%),
    linear-gradient(180deg,#053A5E,#04263F);
    animation:slowzoom 20s ease-in-out infinite alternate}
  .hero-fallback::after{content:"";position:absolute;inset:0;opacity:.5;
    background:radial-gradient(2px 2px at 18% 70%,rgba(120,210,255,.9),transparent),
      radial-gradient(2px 2px at 30% 82%,rgba(140,230,200,.8),transparent),
      radial-gradient(1.5px 1.5px at 62% 78%,rgba(120,200,255,.9),transparent),
      radial-gradient(2px 2px at 80% 86%,rgba(150,235,210,.7),transparent);
    background-repeat:no-repeat;animation:embers 8s linear infinite}
  @keyframes embers{0%{transform:translateY(0);opacity:.5}100%{transform:translateY(-90px);opacity:0}}
  .hero-scrim{position:absolute;inset:0;z-index:1;background:
    radial-gradient(70% 120% at 0% 60%, rgba(10,74,116,.25), transparent 60%),
    linear-gradient(110deg,rgba(4,38,63,.55) 0%,rgba(4,38,63,.35) 45%,rgba(4,38,63,.15) 100%)}
  .hero .wrap{position:relative;z-index:2;width:100%;padding-top:84px;padding-bottom:40px}
  .hero h1{color:#fff;font-size:clamp(2.6rem,5.6vw,5rem);font-weight:900;text-transform:uppercase;max-width:18ch;letter-spacing:-.01em}
  .hero h1 .r{color:var(--red)}
  .hero h1 .c{background:var(--drop);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero p.lede{color:#C9D8E2;font-size:1.18rem;max-width:52ch;margin-top:22px}
  .hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
  .entry{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);margin-top:60px}
  .entry a{background:rgba(4,38,63,.55);backdrop-filter:blur(4px);padding:26px 28px;display:flex;align-items:center;justify-content:space-between;transition:.25s}
  .entry a:hover{background:rgba(6,54,87,.9)}
  .entry .lbl{color:#fff;font-family:'Montserrat';font-weight:700;font-size:1.1rem}
  .entry .k{font-family:'Inter';font-size:.72rem;color:var(--cyan);letter-spacing:.1em;display:block;margin-bottom:4px}
  .entry .arr{color:var(--red);font-size:1.3rem;transition:transform .25s}
  .entry a:hover .arr{transform:translateX(6px)}
  @media(max-width:760px){.entry{grid-template-columns:1fr}}

  /* ---------- MARQUEE ---------- */
  .marquee{background:#063151;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);overflow:hidden;padding:20px 0}
  .marquee .track{display:flex;gap:60px;width:max-content;animation:scroll 26s linear infinite}
  .marquee:hover .track{animation-play-state:paused}
  .marquee span{font-family:'Montserrat';font-weight:700;font-size:1.05rem;color:rgba(255,255,255,.55);letter-spacing:.06em;white-space:nowrap;display:flex;align-items:center;gap:60px}
  .marquee span::after{content:"●";color:var(--cyan);font-size:.6rem}
  @keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

  /* ---------- INTRO ---------- */
  .intro{background:var(--bg-light);padding:104px 0}
  .intro .grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
  .intro h2{font-size:2.5rem;font-weight:800}
  .intro p{color:#46586a;font-size:1.06rem;margin-top:20px}
  .intro .btn-red{margin-top:30px}
  .intro .visual{height:440px;border-radius:14px;overflow:hidden;position:relative;border:1px solid var(--line);background:url('/assets/images/about-intro-visual.webp') center/cover}
  .intro .visual .badge{position:absolute;left:24px;bottom:22px;color:#fff;font-family:'Montserrat';font-weight:700;font-size:.95rem;background:var(--red);padding:10px 16px;border-radius:6px}
  @media(max-width:860px){.intro .grid{grid-template-columns:1fr;gap:38px}.intro .visual{height:300px}}

  /* ---------- MISSION ---------- */
  .mission{position:relative;padding:120px 0;background:var(--navy);overflow:hidden;text-align:center}
  .mission::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 100% at 50% 120%,rgba(212,20,27,.32),transparent 60%)}
  .mission .wrap{position:relative}
  .mission p{color:#fff;font-family:'Montserrat';font-weight:700;font-size:clamp(1.6rem,3.4vw,2.6rem);line-height:1.3;max-width:20ch;margin:0 auto}
  .mission p .r{color:var(--red)}

  /* ---------- STATS ---------- */
  .stats{background:var(--navy-2);border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
  .stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-left:0;padding-right:0}
  .stat{padding:54px 32px;border-right:1px solid rgba(255,255,255,.08);text-align:center}
  .stat:last-child{border-right:none}
  .stat .num{font-family:'Montserrat';font-weight:900;font-size:3.2rem;color:#fff;line-height:1}
  .stat .num .u{color:var(--cyan)}
  .stat .lab{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:12px}
  @media(max-width:760px){.stats .wrap{grid-template-columns:1fr 1fr}.stat{border-bottom:1px solid rgba(255,255,255,.08)}.stat:nth-child(even){border-right:none}}

  section.block{padding:104px 0}
  .head{text-align:center;max-width:680px;margin:0 auto 58px}
  .head .eyebrow{justify-content:center}
  .head h2{font-size:2.5rem;font-weight:800;margin-top:14px}
  .head p{color:var(--muted);margin-top:14px;font-size:1.05rem}
  .dark{background:var(--navy);position:relative}
  .dark .head h2{color:#fff}
  /* network texture echoing the logo backdrop */
  .netbg::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
    background:radial-gradient(1.5px 1.5px at 12% 20%,rgba(63,184,230,.5),transparent),
      radial-gradient(1.5px 1.5px at 28% 70%,rgba(111,203,159,.45),transparent),
      radial-gradient(1.5px 1.5px at 48% 30%,rgba(63,184,230,.4),transparent),
      radial-gradient(1.5px 1.5px at 70% 60%,rgba(63,184,230,.45),transparent),
      radial-gradient(1.5px 1.5px at 86% 25%,rgba(111,203,159,.4),transparent),
      radial-gradient(1.5px 1.5px at 92% 75%,rgba(63,184,230,.4),transparent)}

  /* ---------- CERTIFICATIONS ---------- */
  .certs{background:#063151;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);padding:44px 0}
  .certs .wrap{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}
  .certs .label{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-right:10px}
  .cert{border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:13px 22px;font-family:'Montserrat';font-weight:700;color:#fff;font-size:.92rem;letter-spacing:.03em}

  /* ---------- EXPERTISE ---------- */
  .exp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);position:relative}
  .exp{background:var(--navy);padding:40px 30px;transition:.3s}
  .exp:hover{background:var(--navy-2)}
  .exp .n{font-family:'Montserrat';font-weight:900;font-size:2.2rem;background:var(--drop);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.85}
  .exp h3{color:#fff;font-size:1.18rem;font-weight:700;margin:14px 0 10px}
  .exp p{color:var(--muted);font-size:.9rem}
  @media(max-width:860px){.exp-grid{grid-template-columns:1fr 1fr}}
  @media(max-width:480px){.exp-grid{grid-template-columns:1fr}}

  /* ---------- PARALLAX ---------- */
  .parallax{position:relative;min-height:440px;display:flex;align-items:center;
    background:linear-gradient(rgba(4,38,63,.82),rgba(4,38,63,.86)),url('https://images.unsplash.com/photo-1653352639753-8debcc830014?fm=jpg&q=70&w=2000&auto=format&fit=crop') center/cover fixed}
  .parallax .wrap{position:relative;z-index:1}
  .parallax .eyebrow{justify-content:flex-start}
  .parallax h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.8rem);font-weight:800;max-width:20ch;margin-top:14px}
  .parallax p{color:#C9D8E2;max-width:48ch;margin-top:16px;font-size:1.05rem}
  @media(max-width:760px){.parallax{background-attachment:scroll;min-height:360px}}

  /* ---------- SYSTEMS ---------- */
  .sys-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto}
  .sys{background:#fff;border:1px solid var(--line);border-radius:10px;padding:34px;display:flex;gap:22px;align-items:flex-start;box-shadow:0 8px 30px rgba(4,38,63,.05);transition:.25s}
  .sys:hover{border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 16px 44px rgba(4,38,63,.12)}
  .sys .ic{width:54px;height:54px;flex:none;border-radius:10px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;color:var(--red)}
  .sys .ic svg{width:28px;height:28px}
  .sys h3{font-size:1.25rem;font-weight:700;margin-bottom:6px}
  .sys p{color:var(--muted);font-size:.94rem}
  @media(max-width:720px){.sys-grid{grid-template-columns:1fr}}

  /* ---------- PROJECTS ---------- */
  .proj{background:var(--bg-light)}
  .proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .pcard{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line);transition:.25s;display:flex;flex-direction:column}
  .pcard:hover{transform:translateY(-5px);box-shadow:0 20px 48px rgba(4,38,63,.16)}
  .pcard .img{height:220px;position:relative;display:flex;align-items:flex-end;padding:18px;background-size:cover;background-position:center}
  .pcard .img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,38,63,.1),rgba(4,38,63,.86))}
  .pcard .img .client{position:relative;z-index:1;color:#fff;font-family:'Montserrat';font-weight:800;font-size:1.15rem}
  .pcard .img .tagband{position:absolute;top:16px;left:16px;z-index:1;background:var(--red);color:#fff;font-size:.66rem;letter-spacing:.12em;font-weight:600;padding:6px 11px;border-radius:5px;text-transform:uppercase}
  .pcard .body{padding:24px;display:flex;flex-direction:column;flex:1}
  .pcard h3{font-size:1.18rem;font-weight:700;margin-bottom:8px}
  .pcard .scope{color:var(--muted);font-size:.92rem}
  .pcard .stats-row{display:flex;gap:18px;margin-top:18px;flex-wrap:wrap}
  .pcard .stats-row .v{font-family:'Montserrat';font-weight:800;color:var(--navy);font-size:1.3rem;line-height:1}
  .pcard .stats-row .l{font-size:.66rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-top:3px}
  .pcard .toggle{margin-top:20px;align-self:flex-start;background:none;border:none;color:var(--red);font-family:'Inter';font-weight:600;font-size:.9rem;cursor:pointer;display:inline-flex;align-items:center;gap:.4em;padding:0}
  .pcard .toggle .chev{transition:transform .3s}
  .pcard.open .toggle .chev{transform:rotate(90deg)}
  .pcard .detail{max-height:0;overflow:hidden;transition:max-height .45s ease;border-top:1px solid transparent}
  .pcard.open .detail{max-height:420px;border-top-color:var(--line);margin-top:16px}
  .pcard .detail p{color:#46586a;font-size:.9rem;padding-top:14px}
  .pcard .detail ul{list-style:none;margin-top:10px;display:grid;gap:7px}
  .pcard .detail li{font-size:.86rem;color:var(--navy);display:flex;gap:9px;align-items:flex-start}
  .pcard .detail li::before{content:"▸";color:var(--cyan);flex:none}
  @media(max-width:880px){.proj-grid{grid-template-columns:1fr}.pcard.open .detail{max-height:600px}}
  .proj .disclaimer{text-align:center;color:var(--muted);font-size:.8rem;margin-top:34px;font-style:italic}

  /* ---------- CTA ---------- */
  .cta-banner{background:linear-gradient(120deg,var(--navy),var(--blue));text-align:center;padding:88px 0;position:relative;overflow:hidden}
  .cta-banner h2{color:#fff;font-size:2.2rem;font-weight:800;max-width:24ch;margin:0 auto 28px;position:relative}
  .cta-banner .btn-red{position:relative}
  @media(max-width:600px){.cta-banner h2{font-size:1.7rem}}

  /* ---------- FOOTER ---------- */
  footer.foot{background:#03192A;padding:32px 0 0;color:#fff}
  .foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.3fr;gap:24px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.08)}
  .foot-grid h4{font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px;font-family:'Inter';font-weight:700}
  .foot-grid ul{list-style:none;display:grid;gap:4px}
  .foot-grid ul li a,.foot-grid ul li{color:rgba(255,255,255,.6);font-size:.78rem;transition:color .2s;line-height:1.3}
  .foot-grid ul li a:hover{color:var(--cyan)}
  .foot-brand p{color:rgba(255,255,255,.7);font-size:.92rem;margin-top:14px;max-width:34ch}
  .foot-bottom{padding:14px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;color:rgba(255,255,255,.35);font-size:.76rem}
  .foot-bottom .soc{display:flex;gap:12px}
  .foot-bottom .soc a{color:rgba(255,255,255,.35);transition:color .2s}
  .foot-bottom .soc a:hover{color:var(--cyan)}
  @media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:24px}}
  @media(max-width:460px){.foot-grid{grid-template-columns:1fr}}

  .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
  .reveal.in{opacity:1;transform:none}
  @media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}
    .hero-bg video,.hero-fallback,.hero-fallback::after,.marquee .track{animation:none}
    .parallax{background-attachment:scroll}}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
  .sys[onclick]{transition:.2s}
  .sys[onclick]:hover{border-color:var(--cyan)!important;transform:translateY(-3px);box-shadow:0 8px 24px rgba(63,184,230,.15)}

  /* ════════════════════════════════════════════════════════
     MOBILE HAMBURGER MENU
     ════════════════════════════════════════════════════════ */
  .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;z-index:200}
  .hamburger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
  .hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .hamburger.open span:nth-child(2){opacity:0}
  .hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

  .mobile-nav{display:none;position:fixed;top:84px;left:0;right:0;bottom:0;background:rgba(4,38,63,.98);z-index:150;overflow-y:auto;padding:24px 24px 40px;flex-direction:column;gap:0}
  .mobile-nav.open{display:flex}
  .mobile-nav a{color:#fff;font-family:'Montserrat';font-weight:600;font-size:1rem;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);display:block;text-decoration:none}
  .mobile-nav a:hover,.mobile-nav a:active{color:var(--cyan)}
  .mobile-nav .mob-section-title{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);padding:20px 0 8px;font-family:'Montserrat';font-weight:700}
  .mobile-nav .mob-accordion{border-bottom:1px solid rgba(255,255,255,.1)}
  .mobile-nav .mob-accordion .mob-section-title{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:none;cursor:pointer;text-align:left;-webkit-tap-highlight-color:transparent}
  .mobile-nav .mob-chevron{font-size:1.1rem;line-height:1;transition:transform .25s ease;color:var(--cyan)}
  .mobile-nav .mob-accordion.open .mob-chevron{transform:rotate(90deg)}
  .mobile-nav .mob-sub-group{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .mobile-nav .mob-accordion.open .mob-sub-group{max-height:900px}
  .mobile-nav .mob-sub-link{padding:12px 0 12px 16px;font-size:.9rem;font-weight:500;border-bottom:1px solid rgba(255,255,255,.06)}
  .mobile-nav .mob-cta{margin-top:24px;background:var(--red);color:#fff;padding:16px 24px;border-radius:6px;text-align:center;font-weight:700;font-size:1rem}

  /* ---------- WHATSAPP FLOATING BUTTON ---------- */
  /* Fixed to the viewport, independent of page/section layout and of the
     contact form's success/error state — must never move, shrink, or
     disappear regardless of what else changes on the page. */
  .wa-float{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.3);z-index:80;transition:transform .2s ease,box-shadow .2s ease}
  .wa-float:hover{transform:scale(1.08);box-shadow:0 8px 26px rgba(0,0,0,.38)}
  @media(max-width:480px){.wa-float{width:50px;height:50px;right:16px;bottom:16px}}

  /* ---------- CONTACT FORM SUCCESS STATE ---------- */
  /* Single class on the existing right-hand card drives both the form and
     the success message — #form-success is hidden by default and shown
     only when .success-state is present; #contact-form-wrap (heading +
     intro + form) is shown by default and hidden only then. Both elements
     stay exactly where they already are in the DOM, inside .contact-card. */
  .contact-card #form-success{display:none}
  .contact-card.success-state #contact-form-wrap{display:none}
  .contact-card.success-state #form-success{display:block}

  /* ════════════════════════════════════════════════════════
     GLOBAL MOBILE LAYOUT FIXES
     ════════════════════════════════════════════════════════ */
  @media(max-width:768px){

    /* Viewport safety */
    html,body{overflow-x:hidden;width:100%}
    *{max-width:100%}
    img{max-width:100%;height:auto}

    /* Hamburger visible, desktop nav hidden */
    .hamburger{display:flex}
    header.site nav{display:none!important}

    /* Wrap padding */
    .wrap{padding:0 18px}

    /* Hero */
    .hero{min-height:100svh;min-height:100vh}
    .hero h1{font-size:clamp(1.8rem,8vw,2.8rem)!important}
    .hero-cta{flex-direction:column;gap:12px;align-items:flex-start}
    .hero-cta .btn{width:100%;justify-content:center;padding:14px 20px}
    .entry{flex-direction:column;gap:0;border:none}
    .entry a{border-bottom:1px solid rgba(255,255,255,.12);padding:14px 0}
    .vcaption{font-size:.8rem}
    .vdots{gap:6px}

    /* Section headings */
    .head h2{font-size:clamp(1.4rem,6vw,2rem)!important}
    h1,h2{word-break:break-word}

    /* Intro grid — stack vertically */
    .intro .grid{grid-template-columns:1fr!important;gap:32px!important}
    .intro .grid img{width:100%!important;height:auto!important;min-height:220px;object-fit:cover}
    .intro .grid .visual{height:260px!important}

    /* Stats */
    .stats .wrap{grid-template-columns:repeat(2,1fr)!important;gap:0}
    .stat{padding:24px 16px!important}
    .stat .num{font-size:2.2rem!important}

    /* Expertise grid */
    .exp-grid{grid-template-columns:1fr!important;gap:16px}

    /* Systems grid — 1 col on mobile */
    .sys-grid{grid-template-columns:1fr!important;max-width:100%!important;gap:16px}
    .sys{padding:18px!important}

    /* Certs strip */
    .certs .wrap{flex-wrap:wrap;gap:8px;padding:16px 18px}
    .cert{font-size:.68rem;padding:5px 10px}

    /* Marquee */
    .marquee{overflow:hidden}
    .track span{font-size:.7rem;padding:0 14px}

    /* Mission */
    .mission .wrap p{font-size:clamp(1.1rem,5vw,1.8rem)!important}

    /* Parallax */
    .parallax .wrap h2{font-size:clamp(1.3rem,5.5vw,2rem)!important}

    /* CTA banner */
    .cta-banner .wrap h2{font-size:clamp(1.3rem,5vw,1.8rem)!important}
    .cta-banner .wrap{text-align:center;flex-direction:column;gap:20px}
    .cta-banner .btn{width:100%;max-width:320px;justify-content:center}

    /* ISO banner */
    [style*="Certified Company"]{flex-direction:column!important;gap:16px!important;text-align:center}

    /* Footer */
    .foot-grid{grid-template-columns:1fr!important;gap:24px}
    .foot-bottom{flex-direction:column!important;gap:12px;text-align:center}

    /* WhatsApp pill */
    a[href*="wa.me"]{padding:8px 14px 8px 10px!important;bottom:16px!important;right:16px!important}
    a[href*="wa.me"] span{font-size:.75rem!important}
    a[href*="wa.me"] svg{width:20px!important;height:20px!important}

    /* Page hero sections (inner pages) */
    [style*="padding:110px 0 56px"]{padding:100px 0 44px!important}
    [style*="font-size:clamp(2rem,4vw"]{font-size:clamp(1.6rem,7vw,2.4rem)!important}

    /* Two-col content grids → single col */
    [style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr!important;gap:28px!important}
    [style*="grid-template-columns:1fr 1.2fr"]{grid-template-columns:1fr!important;gap:28px!important}
    [style*="grid-template-columns:1fr 1.5fr"]{grid-template-columns:1fr!important}
    [style*="grid-template-columns:2fr 1fr"]{grid-template-columns:1fr!important;gap:28px!important}

    /* System/Industry content photo */
    [style*="height:400px;border-radius:14px"]{height:240px!important}

    /* City grid — 2 col */
    [style*="grid-template-columns:repeat(5,1fr)"]{grid-template-columns:repeat(2,1fr)!important;gap:10px!important}

    /* Case study / project grid */
    .proj-grid{grid-template-columns:1fr!important}

    /* FAQ grid */
    .faq-grid{grid-template-columns:1fr!important;gap:10px}

    /* Contact form grid */
    [style*="grid-template-columns:1fr 1fr;gap:14px"]{grid-template-columns:1fr!important;gap:0!important}
    [style*="grid-template-columns:1fr 1fr;gap:16px"]{grid-template-columns:1fr!important;gap:0!important}

    /* "Also Explore" flex wrap */
    [style*="display:flex;flex-wrap:wrap;gap:12px"]{gap:8px!important}
    [style*="display:flex;flex-wrap:wrap;gap:10px"]{gap:6px!important}

    /* 3-col service cards */
    [style*="grid-template-columns:repeat(3,1fr)"]{grid-template-columns:1fr!important;gap:14px!important}

    /* Pan-India 4-col stats strip */
    [style*="grid-template-columns:repeat(4,1fr)"]{grid-template-columns:repeat(2,1fr)!important}

    /* Nav dropdown — hide on mobile (handled by mobile nav) */
    .nav-dropdown{display:none!important}

    /* Sections padding */
    section{padding-top:52px!important;padding-bottom:52px!important}
    section.hero{padding-top:0!important;padding-bottom:0!important}

    /* Video slider sizing */
    .vslider video{object-position:center center}

    /* Ensure buttons don't overflow */
    .btn{white-space:normal;text-align:center}
  }

  @media(max-width:480px){
    .stats .wrap{grid-template-columns:1fr 1fr!important}
    .stat .num{font-size:1.9rem!important}
    .hero h1{font-size:1.7rem!important}
    [style*="grid-template-columns:repeat(2,1fr)"]{grid-template-columns:1fr!important}
    .track span{font-size:.65rem;padding:0 10px}
    [style*="font-family:'Montserrat';font-weight:900;font-size:2.8rem"]{font-size:2.2rem!important}
    [style*="font-family:'Montserrat';font-weight:900;font-size:2.4rem"]{font-size:1.8rem!important}
  }

  @media(max-width:940px) and (min-width:769px){
    .hamburger{display:flex}
    header.site nav{display:none!important}
    .intro .grid{grid-template-columns:1fr!important;gap:32px}
    .sys-grid{grid-template-columns:1fr 1fr!important}
    .exp-grid{grid-template-columns:1fr 1fr!important}
    .proj-grid{grid-template-columns:1fr!important}
    .foot-grid{grid-template-columns:1fr 1fr!important;gap:28px}
    [style*="grid-template-columns:repeat(5,1fr)"]{grid-template-columns:repeat(3,1fr)!important}
    [style*="grid-template-columns:repeat(3,1fr)"]{grid-template-columns:1fr 1fr!important}
    [style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr!important}
    [style*="grid-template-columns:1fr 1.2fr"]{grid-template-columns:1fr!important}
    [style*="height:400px;border-radius:14px"]{height:300px!important}
  }

  /* ── Systems dropdown nav ── */
  .nav-dropdown{position:relative;display:inline-block}
  .nav-dropdown>a{display:flex;align-items:center;gap:5px}
  .nav-dropdown>a::after{content:"▾";font-size:.7rem;transition:transform .2s}
  .nav-dropdown:hover>a::after{transform:rotate(180deg)}
  .dropdown-menu{
    display:none;position:absolute;top:100%;left:50%;
    transform:translateX(-50%);
    background:rgba(4,38,63,.98);backdrop-filter:blur(12px);
    border:1px solid rgba(255,255,255,.15);border-radius:10px;
    min-width:240px;padding:8px 0;z-index:999;
    box-shadow:0 16px 48px rgba(0,0,0,.5);
  }
  /* bridge gap so mouse can travel from link to menu */
  .dropdown-menu::before{
    content:"";position:absolute;top:-10px;left:0;right:0;height:10px;
  }
  .nav-dropdown:hover .dropdown-menu{display:block}
  .dropdown-menu a{
    display:block;padding:12px 22px;color:rgba(255,255,255,.85);
    font-size:.88rem;font-weight:500;transition:.15s;white-space:nowrap;
    text-decoration:none;border-left:3px solid transparent;
  }
  .dropdown-menu a:hover{
    color:#fff;background:rgba(63,184,230,.14);
    border-left-color:var(--cyan);
  }
  .dropdown-menu .dd-divider{height:1px;background:rgba(255,255,255,.08);margin:6px 0}


  /* ── FAQ global styles ── */
  .faq-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden;transition:border-color .25s}
  .faq-item:hover{border-color:rgba(255,255,255,.22)}
  .faq-item.open{border-color:var(--cyan)}
  .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;font-family:'Montserrat';font-weight:700;font-size:.92rem;color:#fff;background:none;border:none;text-align:left;gap:16px;transition:background .2s}
  .faq-q:hover{background:rgba(255,255,255,.05)}
  .faq-icon{width:28px;height:28px;flex:none;border-radius:50%;background:rgba(63,184,230,.15);border:1px solid rgba(63,184,230,.35);color:var(--cyan);font-size:1.2rem;line-height:28px;text-align:center;transition:background .25s,transform .3s;display:flex;align-items:center;justify-content:center;font-style:normal;font-family:system-ui}
  .faq-item.open .faq-icon{background:var(--cyan);border-color:var(--cyan);color:#fff}
  .faq-ans{max-height:0;overflow:hidden;transition:max-height .4s ease,border-top .3s}
  .faq-ans p{padding:14px 24px 20px;color:rgba(255,255,255,.75);font-size:.9rem;line-height:1.75;margin:0}
  @media(max-width:760px){.faq-grid-2col{grid-template-columns:1fr!important}}