/* ==========================================================================
   ZTRIC — design tokens
   ========================================================================== */
:root{
  --ink:#081410;        /* near-black, green-tinted */
  --ink2:#0f2018;
  --forest:#123524;
  --green:#2E8B4F;      /* primary brand green */
  --green-deep:#1F6B3B;
  --lime:#B9E6A0;       /* soft highlight, used sparingly */
  --paper:#F6F7F2;
  --card:#FFFFFF;
  --muted:#5C665F;
  --line:rgba(8,20,16,.12);
  --line-dark:rgba(255,255,255,.14);
  --white:#fff;
  --display:'Manrope',Arial,sans-serif;
  --body:'DM Sans',Arial,sans-serif;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow:0 20px 45px rgba(8,20,16,.10);
  --ease:cubic-bezier(.22,.8,.28,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);overflow-x:hidden;font-size:16px;line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}
.wrap{width:min(1240px,calc(100% - 48px));margin:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ---------- header ---------- */
.header{position:fixed;top:0;left:0;right:0;z-index:60;height:84px;display:flex;align-items:center;transition:.35s var(--ease);background:linear-gradient(180deg,rgba(4,12,8,.75),transparent);color:#fff}
.header.scrolled{height:70px;background:rgba(6,16,10,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-dark)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:9px;font:800 23px var(--display);letter-spacing:-.03em}
.brand .mark{width:30px;height:30px;color:var(--lime)}
.navlinks{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:500}
.navlinks a{opacity:.88;padding:6px 0;position:relative}
.navlinks a:hover{opacity:1}
.navlinks a.current{opacity:1}
.navlinks a.current:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--lime);border-radius:2px}
.navcta{border:1px solid rgba(185,230,160,.65);padding:10px 18px;border-radius:999px;color:#fff!important;font-weight:600}
.navcta:hover{background:rgba(185,230,160,.12)}
.menu-btn{display:none;background:none;border:0;color:#fff;width:38px;height:38px;place-items:center;cursor:pointer}
.menu-btn span,.menu-btn span:before,.menu-btn span:after{content:"";display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.menu-btn span{position:relative}
.menu-btn span:before{position:absolute;top:-6px}
.menu-btn span:after{position:absolute;top:6px}
.menu-btn.open span{background:transparent}
.menu-btn.open span:before{transform:rotate(45deg);top:0}
.menu-btn.open span:after{transform:rotate(-45deg);top:0}

/* mobile drawer */
.mobile-drawer{position:fixed;inset:0;z-index:55;background:#081410;color:#fff;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 34px;transform:translateY(-100%);transition:transform .4s var(--ease);opacity:0}
.mobile-drawer.open{transform:translateY(0);opacity:1}
.mobile-drawer a{font:700 30px var(--display);padding:12px 0;border-bottom:1px solid var(--line-dark)}
.mobile-drawer a.navcta{display:flex;align-items:center;justify-content:center;margin-top:22px;font-size:16px;padding:17px 24px;border-bottom:1px solid rgba(185,230,160,.65);text-align:center}

/* ---------- hero ---------- */
.hero{min-height:100vh;position:relative;background:#081410;color:#fff;display:flex;flex-direction:column;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover}
.hero-media:after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,10,6,.94) 0%,rgba(3,10,6,.78) 34%,rgba(3,10,6,.30) 68%,rgba(3,10,6,.14)),
             linear-gradient(180deg,rgba(0,0,0,.30),transparent 42%,rgba(0,0,0,.70))}
.hero-content{position:relative;z-index:2;padding:130px 0 40px;flex:1;display:flex;flex-direction:column;justify-content:center}
.eyebrow{font:600 13px var(--body);letter-spacing:.01em;color:var(--lime);display:flex;align-items:center;gap:9px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero h1{font:800 clamp(42px,6vw,74px)/1.04 var(--display);letter-spacing:-.03em;max-width:760px;margin:20px 0}
.hero p{max-width:560px;font-size:18px;line-height:1.65;color:rgba(255,255,255,.78)}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 24px;border-radius:999px;font-weight:700;font-size:14px;transition:.25s var(--ease);border:1px solid transparent}
.btn.green{background:var(--green);color:#04170c}
.btn.green:hover{background:var(--green-deep);color:#fff;transform:translateY(-2px)}
.btn.outline{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.04);backdrop-filter:blur(10px)}
.btn.outline:hover{background:rgba(255,255,255,.12)}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:hover{background:var(--forest)}
.btn.small{padding:11px 18px;font-size:13px}
.hero-metrics{position:relative;z-index:3;border-top:1px solid var(--line-dark);background:rgba(3,10,6,.5);backdrop-filter:blur(12px);margin-top:auto}
.metrics{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:22px 30px;border-left:1px solid var(--line-dark)}
.metric:first-child{border-left:0;padding-left:0}
.metric strong{display:block;font:700 32px var(--display)}
.metric small{color:rgba(255,255,255,.6);font-size:12.5px}

/* page hero (inner pages) */
.pagehero{background:var(--ink);color:#fff;padding:186px 0 76px;position:relative;overflow:hidden}
.pagehero.with-media{padding:190px 0 90px}
.pagehero .eyebrow{color:var(--lime)}
.pagehero h1{font:800 clamp(34px,4.6vw,58px)/1.06 var(--display);letter-spacing:-.03em;margin:16px 0 18px;max-width:820px}
.pagehero p{color:rgba(255,255,255,.7);max-width:640px;font-size:17px;line-height:1.65}
.crumb{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:6px}
.crumb a{color:rgba(255,255,255,.85)}

/* ---------- generic section ---------- */
.section{padding:100px 0}
.section.tight{padding:60px 0}
.section.dark{background:var(--ink);color:#fff}
.section.forest{background:var(--forest);color:#fff}
.section.tint{background:#EAF1E5}
.eyebrow-label{font:600 13px var(--body);color:var(--green-deep);display:flex;align-items:center;gap:8px;margin-bottom:2px}
.dark .eyebrow-label,.forest .eyebrow-label{color:var(--lime)}
.eyebrow-label .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.section h2{font:800 clamp(30px,3.6vw,46px)/1.1 var(--display);letter-spacing:-.025em;margin:12px 0 18px;max-width:740px}
.intro{color:var(--muted);max-width:660px;line-height:1.7;font-size:16px}
.dark .intro,.forest .intro{color:rgba(255,255,255,.68)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}

/* ---------- cards / solution grid ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.cards.cols-5{grid-template-columns:repeat(5,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;min-height:230px;display:flex;flex-direction:column;transition:.3s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .icon{width:42px;height:42px;color:var(--green-deep);margin-bottom:24px}
.card h3{font:700 21px var(--display);margin:0 0 10px;letter-spacing:-.01em}
.card p{font-size:13.5px;line-height:1.65;color:var(--muted);flex:1}
.card .go{font-weight:700;font-size:13px;color:var(--green-deep);margin-top:16px;display:inline-flex;align-items:center;gap:6px}
.card .go svg{width:14px;height:14px;transition:.25s}
.card:hover .go svg{transform:translateX(3px)}

/* ---------- proof / split ---------- */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}
.split.reverse{grid-template-columns:1.15fr .85fr}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--radius-lg);overflow:hidden;height:480px;background:#142117}
.split-media img{width:100%;height:100%;object-fit:cover}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}
.stat-row .stat strong{display:block;font:800 30px var(--display);color:var(--ink)}
.dark .stat-row .stat strong{color:#fff}
.stat-row .stat small{color:var(--muted);font-size:12.5px}
.dark .stat-row .stat small{color:rgba(255,255,255,.55)}
.check-list{display:grid;gap:11px;margin:26px 0}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.55}
.check-list svg{width:18px;height:18px;flex:none;margin-top:2px;color:var(--green-deep)}
.dark .check-list svg,.forest .check-list svg{color:var(--lime)}

/* ---------- visual grid (projects preview) ---------- */
.visual-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-top:44px}
.visual{border-radius:var(--radius-lg);overflow:hidden;position:relative;min-height:420px;background:#142117}
.visual.small{min-height:198px}
.visual img{width:100%;height:100%;object-fit:cover;display:block;transition:.7s var(--ease)}
.visual:hover img{transform:scale(1.045)}
.visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(3,10,6,.78))}
.visual-copy{position:absolute;z-index:2;bottom:24px;left:24px;right:24px;color:#fff}
.visual-copy small{font:600 12px var(--body);text-transform:uppercase;letter-spacing:.04em;opacity:.75}
.visual-copy h3{font:700 25px var(--display);margin:6px 0 0}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);margin-top:46px;border-radius:var(--radius-lg);overflow:hidden}
.step{background:var(--ink);padding:32px}
.step .stepno{font:700 13px var(--body);color:var(--lime)}
.step h3{font:700 24px var(--display);margin:38px 0 10px}
.step p{color:rgba(255,255,255,.6);font-size:13.5px;line-height:1.65}

/* ---------- BESS feature ---------- */
.bess{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
.bess-panel{min-height:480px;border-radius:var(--radius-lg);overflow:hidden;position:relative}
.bess-panel img{width:100%;height:100%;object-fit:cover}
.bess-panel.photo:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,8,5,.82),rgba(2,8,5,.10))}
.bess-copy{position:absolute;z-index:2;left:32px;bottom:32px;right:32px;color:#fff}
.bess-copy small{color:var(--lime);font-weight:600;font-size:13px}
.bess-copy h3{font:800 34px var(--display);margin:8px 0}
.bess-copy p{color:rgba(255,255,255,.72);line-height:1.6;max-width:420px}
.bess-panel.light{background:#EAF1E5;padding:34px}
.compare{display:grid;gap:11px;margin-top:24px}
.compare div{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:12px 0;font-size:14px}
.compare svg{width:18px;height:18px;color:var(--green-deep)}

/* ---------- projects / portfolio ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:38px 0 6px}
.filter-btn{border:1px solid var(--line);background:var(--card);padding:10px 18px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;transition:.2s}
.filter-btn:hover{border-color:var(--green)}
.filter-btn.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.project{border-radius:var(--radius-lg);overflow:hidden;background:var(--card);border:1px solid var(--line);transition:.3s var(--ease)}
.project:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.project-img{height:220px;overflow:hidden}
.project-img img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.project:hover .project-img img{transform:scale(1.06)}
.project-body{padding:22px}
.project-body small{font:600 11.5px var(--body);color:var(--green-deep);text-transform:uppercase;letter-spacing:.03em}
.project-body h3{font:700 20px var(--display);margin:9px 0 6px;letter-spacing:-.01em}
.project-body p{color:var(--muted);font-size:13px;line-height:1.55}
.project[hidden]{display:none}

/* ---------- case study callout ---------- */
.case-callout{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:48px;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;margin-top:50px}
.case-callout h3{font:800 30px var(--display);margin:0 0 12px;letter-spacing:-.02em}
.case-callout p{color:rgba(255,255,255,.68);line-height:1.65}

/* ---------- timeline (milestones) ---------- */
.timeline{margin-top:46px;border-left:2px solid var(--line);padding-left:28px;display:grid;gap:34px}
.tl-item{position:relative}
.tl-item:before{content:"";position:absolute;left:-34px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--green-deep)}
.tl-item b{font:700 13px var(--body);color:var(--green-deep)}
.tl-item h3{font:700 21px var(--display);margin:6px 0 6px}
.tl-item p{color:var(--muted);font-size:14px;line-height:1.6;max-width:560px}

/* ---------- leadership / team ---------- */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.team-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.team-photo{height:280px;overflow:hidden;background:#152218}
.team-photo img{width:100%;height:100%;object-fit:cover}
.team-body{padding:20px 22px}
.team-body h3{font:700 19px var(--display);margin:0 0 4px}
.team-body small{color:var(--muted);font-size:13px}

/* ---------- logos ---------- */
.logo-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.logo{min-width:150px;height:66px;flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);display:grid;place-items:center;font:700 13px var(--display);color:#7c867f}

/* ---------- certifications ---------- */
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.badge{border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;text-align:center;background:var(--card)}
.badge svg{width:30px;height:30px;color:var(--green-deep);margin:0 auto 12px}
.badge span{font-weight:700;font-size:13.5px}

/* ---------- testimonial ---------- */
.testimonial{background:var(--forest);color:#fff;border-radius:var(--radius-lg);padding:48px;display:grid;grid-template-columns:1fr .35fr;gap:40px}
.quote{font:700 clamp(22px,2.6vw,34px)/1.32 var(--display);letter-spacing:-.015em}
.person{color:rgba(255,255,255,.6);font-size:13px;align-self:end}

/* ---------- FAQ accordion ---------- */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:22px 4px;display:flex;justify-content:space-between;align-items:center;gap:20px;font:700 16px var(--display);cursor:pointer;color:inherit}
.faq-q svg{width:18px;height:18px;flex:none;transition:.3s var(--ease);color:var(--green-deep)}
.faq-item.open .faq-q svg{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 4px 22px;color:var(--muted);font-size:14.5px;line-height:1.65;max-width:680px}

/* ---------- contact / enquiry ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;margin-top:44px}
.contact-info{display:grid;gap:22px;align-content:start}
.info-card{border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;background:var(--card)}
.info-card b{display:block;font:700 15px var(--display);margin-bottom:6px}
.info-card p,.info-card a{color:var(--muted);font-size:14px;line-height:1.6}
.map-embed{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);height:220px}
.map-embed iframe{width:100%;height:100%;border:0}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px}
.field{display:grid;gap:7px;margin-bottom:18px}
.field label{font-size:13px;font-weight:600}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 15px;font:inherit;font-size:14.5px;background:var(--paper);color:var(--ink)}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--green);outline-offset:1px;background:#fff}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:10px}
.form-status{font-size:14px;font-weight:600;margin-top:14px;display:none}
.form-status.show{display:block}

/* ---------- cta strip ---------- */
.cta-strip{border-radius:var(--radius-lg);background:var(--ink);color:#fff;padding:56px;display:flex;justify-content:space-between;gap:30px;align-items:center;flex-wrap:wrap}
.cta-strip h2{max-width:600px;margin:0 0 6px}
.cta-strip p{color:rgba(255,255,255,.62);margin:0}

/* ---------- footer ---------- */
.footer{background:#05100A;color:#fff;padding:72px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:36px}
.footer h4{font:700 12.5px var(--body);color:var(--lime);text-transform:uppercase;letter-spacing:.02em;margin:0 0 14px}
.footer a,.footer p{display:block;color:rgba(255,255,255,.56);font-size:13.5px;line-height:2.1}
.footer a:hover{color:#fff}
.footer .brand{color:#fff;margin-bottom:10px}
.social-row{display:flex;gap:10px;margin-top:16px}
.social-row a{width:36px;height:36px;border:1px solid var(--line-dark);border-radius:50%;display:grid;place-items:center}
.social-row svg{width:16px;height:16px}
.copyright{border-top:1px solid var(--line-dark);margin-top:50px;padding-top:22px;color:rgba(255,255,255,.35);font-size:12px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- bottom dock ---------- */
.bottom-dock{position:fixed;left:50%;bottom:18px;transform:translate(-50%,140px);z-index:40;width:min(720px,calc(100% - 28px));background:rgba(6,16,10,.9);border:1px solid rgba(185,230,160,.2);box-shadow:0 18px 55px rgba(0,0,0,.25);backdrop-filter:blur(18px);border-radius:999px;padding:7px;display:grid;grid-template-columns:repeat(5,1fr);gap:4px;transition:.4s var(--ease)}
.bottom-dock.show{transform:translate(-50%,0)}
.dock-item{color:rgba(255,255,255,.65);text-align:center;font-size:10.5px;font-weight:600;padding:11px 5px;border-radius:999px;transition:.2s}
.dock-item:hover,.dock-item.active{background:rgba(46,139,79,.28);color:#fff}
.dock-item strong{display:block;font:700 10px var(--body);margin-top:3px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .cards.cols-5{grid-template-columns:repeat(3,1fr)}
  .split,.bess,.split.reverse{grid-template-columns:1fr}
  .split.reverse .split-media{order:0}
  .projects,.team-grid{grid-template-columns:repeat(2,1fr)}
  .badges{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .case-callout{grid-template-columns:1fr}
}
@media(max-width:1000px){
  .navlinks{display:none}
  .menu-btn{display:grid}
}
@media(max-width:650px){
  .wrap{width:min(100% - 30px,1240px)}
  .header{height:68px}
  .hero-content{padding:100px 0 28px}
  .hero h1{font-size:36px}
  .hero p{font-size:15px}
  .actions{margin-top:24px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric{padding:14px 16px;border-left:1px solid var(--line-dark);border-top:1px solid var(--line-dark)}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .metric:nth-child(odd){border-left:0}
  .metric strong{font-size:22px}
  .metric small{font-size:10.5px}
  .pagehero{padding:150px 0 56px}
  .section{padding:70px 0}
  .cards,.cards.cols-5,.projects,.team-grid,.badges,.footer-grid{grid-template-columns:1fr}
  .visual-grid{grid-template-columns:1fr}
  .visual{min-height:300px}
  .visual.small{min-height:210px}
  .process{grid-template-columns:1fr}
  .split-media{height:300px}
  .stat-row{grid-template-columns:1fr 1fr}
  .testimonial,.contact-grid,.cta-strip,.case-callout{padding:28px}
  .cta-strip{display:block}
  .cta-strip .btn{margin-top:18px}
  .testimonial{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .bottom-dock{bottom:10px}
  .dock-item{font-size:9px}
  .dock-item strong{font-size:8px}
  .footer{padding-bottom:110px}
}