:root{
    --green:#30b28a;
    --green-dark:#15906f;
    --green-soft:#e9f7f1;
    --lime:#88c87e;
    --ink:#10251f;
    --muted:#64756f;
    --line:#dce8e3;
    --paper:#f7faf8;
    --white:#ffffff;
    --shadow:0 18px 50px rgba(16,37,31,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    color:var(--ink);
    background:var(--white);
    font-family:"DM Sans",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:auto}

.site-header{
    position:sticky;
    top:0;
    z-index:1000;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(220,232,227,.8);
}
.nav-wrap{
    min-height:82px;
    display:flex;
    align-items:center;
    gap:34px;
}
.brand{display:flex;align-items:center;margin-right:auto}
.brand img{width:190px;height:auto;display:block}
.nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:700}
.nav a{color:#49605a;transition:.2s}
.nav a:hover{color:var(--green-dark)}
.nav-cta{
    background:var(--green);
    color:white;
    padding:12px 20px;
    border-radius:5px;
    font-size:14px;
    font-weight:800;
    box-shadow:0 8px 20px rgba(48,178,138,.2);
}
.menu-toggle{display:none;background:none;border:0;padding:8px}
.menu-toggle span{display:block;width:25px;height:2px;background:var(--ink);margin:5px}

.hero{
    position:relative;
    overflow:hidden;
    min-height:690px;
    display:flex;
    align-items:center;
    background:
        radial-gradient(circle at 86% 20%,rgba(136,200,126,.24),transparent 26%),
        linear-gradient(120deg,#f5faf8 0%,#fff 55%,#eef8f3 100%);
}
.hero-grid{
    position:absolute;inset:0;opacity:.38;
    background-image:
      linear-gradient(rgba(48,178,138,.10) 1px,transparent 1px),
      linear-gradient(90deg,rgba(48,178,138,.10) 1px,transparent 1px);
    background-size:54px 54px;
    mask-image:linear-gradient(to right,transparent 0%,black 35%,black 100%);
}
.hero:after{
    content:"";
    position:absolute;
    right:-180px;bottom:-240px;
    width:600px;height:600px;
    border:90px solid rgba(48,178,138,.08);
    border-radius:50%;
}
.hero-content{position:relative;z-index:2}
.hero-copy{max-width:780px;padding:90px 0 80px}
.eyebrow{
    display:inline-block;
    margin-bottom:18px;
    color:var(--green-dark);
    font-size:12px;
    font-weight:900;
    letter-spacing:.20em;
}
.hero h1{
    max-width:800px;
    margin:0 0 22px;
    font-size:clamp(48px,7vw,82px);
    line-height:.98;
    letter-spacing:-.055em;
}
.hero h1 span,h2 em{color:var(--green-dark);font-style:normal}
.hero p{max-width:650px;color:#596c65;font-size:19px;margin:0 0 34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
    display:inline-flex;align-items:center;gap:12px;
    padding:15px 22px;border-radius:5px;font-weight:800;font-size:14px;
    transition:.25s;cursor:pointer
}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 25px rgba(48,178,138,.22)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px)}
.btn-outline{border:1px solid #bdd2c9;background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--green);color:var(--green-dark)}
.hero-meta{display:flex;gap:40px;margin-top:60px}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta strong{font-size:23px}
.hero-meta span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.09em}

.trust-strip{background:var(--ink);color:#fff}
.trust-inner{min-height:95px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.trust-inner>span{font-size:11px;letter-spacing:.16em;font-weight:900;color:#9bb1a9}
.trust-items{display:flex;align-items:center;gap:30px}
.trust-item{font-size:15px;font-weight:800}
.trust-divider{width:1px;height:24px;background:#3c514a}

.section{padding:115px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.section-heading h2,.section-intro h2,.experience h2,.contact-cta h2{
    margin:0;font-size:clamp(40px,5vw,62px);line-height:1.02;letter-spacing:-.045em
}
.about-copy{padding-top:8px}
.lead{font-size:22px;line-height:1.5;color:var(--ink);margin-top:0}
.about-copy p:not(.lead){color:var(--muted);font-size:16px}
.text-link{display:inline-flex;gap:10px;margin-top:18px;color:var(--green-dark);font-weight:900;border-bottom:2px solid var(--green);padding-bottom:5px}

.services{background:var(--paper)}
.section-intro{max-width:760px;margin-bottom:55px}
.section-intro>p{color:var(--muted);font-size:17px;margin-top:18px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{
    position:relative;background:#fff;border:1px solid var(--line);padding:35px;
    min-height:390px;transition:.25s;overflow:hidden
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.service-card.featured{background:var(--ink);color:#fff;border-color:var(--ink)}
.service-card.featured p,.service-card.featured ul{color:#b9c8c3}
.service-number{position:absolute;right:25px;top:20px;color:#b8cfc6;font-size:12px;font-weight:900}
.service-icon{
    width:56px;height:56px;display:grid;place-items:center;
    border-radius:50%;background:var(--green-soft);color:var(--green-dark);
    font-size:25px;margin-bottom:55px
}
.featured .service-icon{background:rgba(136,200,126,.16);color:var(--lime)}
.service-card h3{font-size:25px;margin:0 0 12px;letter-spacing:-.02em}
.service-card p{color:var(--muted);font-size:15px}
.service-card ul{padding:12px 0 0 17px;margin:0;color:var(--muted);font-size:14px}
.service-card li{margin:6px 0}

.experience{background:#fff}
.experience-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:100px;align-items:center}
.experience p{max-width:600px;color:var(--muted);font-size:17px}
.experience-stat{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;align-items:center;gap:18px}
.experience-stat strong{font-size:42px;color:var(--green-dark)}
.experience-stat span{color:var(--muted);font-size:14px}
.client-panel{background:var(--paper);border:1px solid var(--line);padding:35px}
.panel-label{margin:0 0 20px!important;font-size:12px!important;font-weight:900;text-transform:uppercase;letter-spacing:.11em;color:var(--green-dark)!important}
.client-card{
    display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)
}
.client-card:last-of-type{border-bottom:0}
.client-mark{
    width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
    background:var(--green);color:#fff;font-weight:900
}
.client-card strong{display:block;font-size:17px}
.client-card span{display:block;color:var(--muted);font-size:12px}
.panel-note{font-size:13px!important;margin:24px 0 0!important}

.values{background:var(--paper);padding-top:95px}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.value{padding:30px 24px 10px 0;border-right:1px solid var(--line)}
.value:not(:first-child){padding-left:25px}
.value:last-child{border-right:0}
.value>span{font-size:11px;color:var(--green-dark);font-weight:900}
.value h3{font-size:19px;margin:16px 0 8px}
.value p{color:var(--muted);font-size:14px;margin:0}

.contact-cta{background:var(--green);color:#fff;padding:90px 0}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:100px;align-items:center}
.contact-cta .eyebrow{color:#d7f0e7}
.contact-cta h2 em{color:#d9f29f}
.contact-cta p{color:#e0f3ed;max-width:620px;font-size:17px}
.contact-details{border-left:1px solid rgba(255,255,255,.3);padding-left:40px}
.contact-details a,.contact-details>div{display:block;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.25)}
.contact-details small{display:block;font-size:10px;letter-spacing:.16em;font-weight:900;color:#cce9df}
.contact-details strong{display:block;font-size:18px;margin-top:3px}

.footer{background:#0b1d18;color:#aebfb9}
.footer-inner{min-height:105px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer img{width:145px;filter:brightness(0) invert(1);opacity:.9}
.footer p{font-size:12px;margin:0}
.footer a{font-size:12px;color:#fff;font-weight:800}

@media(max-width:900px){
    .nav,.nav-cta{display:none}
    .menu-toggle{display:block}
    .nav-wrap.menu-open{flex-wrap:wrap;padding-bottom:18px}
    .nav-wrap.menu-open .nav{
        display:flex;width:100%;order:4;flex-direction:column;align-items:flex-start;gap:14px;padding:12px 0 5px
    }
    .hero{min-height:620px}
    .split,.experience-grid,.contact-grid{grid-template-columns:1fr;gap:45px}
    .service-grid{grid-template-columns:1fr}
    .service-card{min-height:0}
    .value-grid{grid-template-columns:1fr 1fr}
    .value{border-right:0;border-bottom:1px solid var(--line);padding:25px 15px 25px 0}
    .value:not(:first-child){padding-left:0}
    .contact-details{border-left:0;border-top:1px solid rgba(255,255,255,.3);padding:15px 0 0}
    .trust-inner{flex-direction:column;align-items:flex-start;padding:22px 0}
}
@media(max-width:560px){
    .brand img{width:150px}
    .hero-copy{padding:65px 0}
    .hero h1{font-size:48px}
    .hero p{font-size:16px}
    .hero-meta{gap:20px;flex-wrap:wrap;margin-top:40px}
    .section{padding:78px 0}
    .section-heading h2,.section-intro h2,.experience h2,.contact-cta h2{font-size:42px}
    .trust-items{flex-wrap:wrap;gap:12px}
    .trust-divider{display:none}
    .value-grid{grid-template-columns:1fr}
    .footer-inner{flex-direction:column;align-items:flex-start;padding:25px 0}
}


/* ===== PREMIUM ENGINEERING HERO ===== */
.hero-engineering-panel{
    position:absolute;
    width:510px;height:510px;
    right:4%;top:50%;
    transform:translateY(-50%);
    border:1px solid rgba(48,178,138,.18);
    border-radius:50%;
    background:radial-gradient(circle,rgba(48,178,138,.07),transparent 64%);
    opacity:.95;
}
.blueprint-circle{
    position:absolute;inset:58px;
    border:1px dashed rgba(48,178,138,.28);
    border-radius:50%;
}
.blueprint-circle:after{
    content:"";
    position:absolute;inset:76px;
    border:1px solid rgba(48,178,138,.16);
    border-radius:50%;
}
.blueprint-line{position:absolute;background:rgba(48,178,138,.20)}
.line-a{width:100%;height:1px;left:0;top:50%}
.line-b{height:100%;width:1px;left:50%;top:0}
.blueprint-box{position:absolute;border:2px solid rgba(21,144,111,.34)}
.box-a{width:135px;height:135px;left:187px;top:187px;transform:rotate(45deg)}
.box-b{width:70px;height:70px;left:220px;top:220px;border-color:rgba(136,200,126,.65);transform:rotate(45deg)}
.engineering-label,.engineering-coordinates{
    position:absolute;font-family:monospace;color:rgba(21,144,111,.72);
    font-size:10px;letter-spacing:.12em
}
.engineering-label{left:72px;top:92px}
.engineering-coordinates{right:58px;bottom:91px}

/* ===== PROJECTS ===== */
.projects{background:#fff}
.project-grid{
    display:grid;
    grid-template-columns:1.35fr 1fr;
    gap:22px;
}
.project-card{
    border:1px solid var(--line);
    background:#fff;
    overflow:hidden;
    transition:.28s;
}
.project-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.project-large{grid-row:span 2}
.project-art{
    position:relative;height:225px;overflow:hidden;
    background:linear-gradient(135deg,#112b24,#1c5545);
}
.project-large .project-art{height:320px}
.project-art-label{
    position:absolute;left:22px;top:20px;z-index:3;
    padding:7px 10px;background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.25);color:#fff;
    font-size:9px;letter-spacing:.15em;font-weight:900;
    backdrop-filter:blur(8px)
}
.power-art{
    background:
      radial-gradient(circle at 78% 30%,rgba(136,200,126,.5),transparent 12%),
      linear-gradient(145deg,#10251f,#1c604b 70%,#2f9f7c);
}
.sun{
    position:absolute;width:82px;height:82px;border-radius:50%;
    right:75px;top:50px;background:rgba(215,242,159,.65);
    box-shadow:0 0 60px rgba(215,242,159,.25)
}
.tower{
    position:absolute;bottom:0;width:6px;height:190px;background:#d6e8e0;
    transform:skewX(-7deg)
}
.tower:before,.tower:after{
    content:"";position:absolute;height:2px;background:#d6e8e0;left:-35px;width:76px
}
.tower:before{top:38px}.tower:after{top:88px}
.tower-1{left:25%;height:190px}.tower-2{left:62%;height:235px}
.power-line{
    position:absolute;left:10%;right:5%;top:100px;height:2px;
    background:linear-gradient(90deg,transparent,#d6e8e0 20%,#d6e8e0 75%,transparent);
    transform:rotate(-8deg)
}
.road-art{background:linear-gradient(180deg,#9ed09b 0%,#5c9b75 52%,#244b3c 100%)}
.road{
    position:absolute;width:145%;height:190px;left:-20%;bottom:-92px;
    background:#263d38;transform:perspective(260px) rotateX(48deg);
    border-top:3px solid rgba(255,255,255,.25)
}
.road-mark{
    position:absolute;width:9px;height:48px;background:#f0e4a1;left:48%;
    transform:rotate(5deg)
}
.road-mark-1{top:98px}.road-mark-2{top:151px}.road-mark-3{top:204px}
.systems-art{
    background:
      linear-gradient(rgba(136,200,126,.09) 1px,transparent 1px),
      linear-gradient(90deg,rgba(136,200,126,.09) 1px,transparent 1px),
      #10251f;
    background-size:30px 30px
}
.system-node{
    position:absolute;width:42px;height:42px;border-radius:50%;
    border:2px solid #88c87e;background:#16372e;
    box-shadow:0 0 0 7px rgba(136,200,126,.07)
}
.node-1{left:20%;top:28%}.node-2{left:61%;top:20%}
.node-3{left:72%;top:66%}.node-4{left:28%;top:70%}
.system-connector{position:absolute;height:2px;background:#58b997;transform-origin:left center}
.c-1{left:25%;top:37%;width:42%;transform:rotate(-10deg)}
.c-2{left:64%;top:35%;width:36%;transform:rotate(58deg)}
.c-3{left:36%;top:73%;width:40%;transform:rotate(-12deg)}
.project-info{padding:25px 28px 30px}
.project-info>span{font-size:9px;color:var(--green-dark);font-weight:900;letter-spacing:.14em}
.project-info h3{font-size:22px;line-height:1.15;margin:10px 0}
.project-info p{font-size:14px;color:var(--muted);margin:0}

/* ===== FLOATING WHATSAPP ===== */
.whatsapp-float{
    position:fixed;right:24px;bottom:24px;z-index:1100;
    width:58px;height:58px;border-radius:50%;
    display:grid;place-items:center;
    background:#25D366;color:#fff;
    box-shadow:0 12px 30px rgba(0,0,0,.18);
    transition:.25s
}
.whatsapp-float:hover{transform:translateY(-4px) scale(1.04)}
.wa-symbol{font-size:12px;font-weight:900;border:2px solid #fff;border-radius:50%;padding:6px 4px}
.wa-tooltip{
    position:absolute;right:70px;white-space:nowrap;
    background:#10251f;color:#fff;padding:7px 11px;border-radius:4px;
    font-size:11px;font-weight:800;opacity:0;pointer-events:none;transition:.2s
}
.whatsapp-float:hover .wa-tooltip{opacity:1}

/* ===== REFINED TYPE ===== */
h1,h2,h3,.brand{font-family:"Manrope","DM Sans",sans-serif}

@media(max-width:1100px){
    .hero-engineering-panel{right:-140px;opacity:.55}
}
@media(max-width:900px){
    .hero-engineering-panel{display:none}
    .project-grid{grid-template-columns:1fr}
    .project-large{grid-row:auto}
    .project-large .project-art{height:260px}
}
@media(max-width:560px){
    .project-art,.project-large .project-art{height:220px}
    .project-info{padding:22px}
    .whatsapp-float{right:17px;bottom:17px}
}

.reveal{
    opacity:0;
    transform:translateY(18px);
    transition:opacity .6s ease,transform .6s ease;
}
.reveal.is-visible{opacity:1;transform:none}

/* ===== COMPANY PROFILE / CREDENTIALS ===== */
.credentials{background:#f7faf8}
.credentials-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}
.credentials-copy p{color:var(--muted);font-size:16px;max-width:600px}
.credential-card{
    background:var(--ink);color:#fff;padding:38px;
    box-shadow:var(--shadow);position:relative;overflow:hidden
}
.credential-card:after{
    content:"";position:absolute;width:220px;height:220px;border:45px solid rgba(136,200,126,.08);
    border-radius:50%;right:-100px;bottom:-100px
}
.credential-top{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:25px}
.credential-top span{font-size:10px;letter-spacing:.16em;color:#a9c1b8;font-weight:900}
.credential-top strong{font-size:10px;color:#bde8da;letter-spacing:.08em}
.credential-list{padding:12px 0}
.credential-list div{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.11)}
.credential-list span{font-size:11px;color:var(--lime);font-weight:900}
.credential-list strong{font-size:18px}
.credential-footer{display:flex;justify-content:space-between;align-items:center;padding-top:25px}
.credential-footer span{font-size:9px;letter-spacing:.15em;color:#9fb4ad;font-weight:900}
.credential-footer strong{font-size:20px;color:#d9f29f}

/* ===== ENQUIRY FORM ===== */
.contact-details{width:100%}
.enquiry-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.enquiry-form label{display:block}
.enquiry-form label:nth-child(4),
.enquiry-form label:nth-child(5){grid-column:1 / -1}
.enquiry-form label span{display:block;font-size:9px;letter-spacing:.15em;font-weight:900;color:#cce9df;margin-bottom:6px}
.enquiry-form input,.enquiry-form select,.enquiry-form textarea{
    width:100%;border:1px solid rgba(255,255,255,.25);border-radius:3px;
    background:rgba(255,255,255,.10);color:#fff;padding:12px 13px;
    font:inherit;font-size:13px;outline:none
}
.enquiry-form input::placeholder,.enquiry-form textarea::placeholder{color:rgba(255,255,255,.60)}
.enquiry-form select option{color:#10251f;background:#fff}
.enquiry-form input:focus,.enquiry-form select:focus,.enquiry-form textarea:focus{border-color:#d9f29f}
.form-submit{
    grid-column:1 / -1;border:0;border-radius:3px;background:#d9f29f;color:#10251f;
    padding:14px 18px;font-weight:900;cursor:pointer;font-size:14px;transition:.2s
}
.form-submit:hover{transform:translateY(-2px);background:#fff}
.contact-direct{margin-top:22px}
.contact-direct a{display:block;padding:12px 0;border-top:1px solid rgba(255,255,255,.2)}
.contact-direct small{display:block;font-size:9px;letter-spacing:.15em;color:#cce9df;font-weight:900}
.contact-direct strong{font-size:15px}
.thank-you-page{background:#f7faf8;min-height:100vh}
.thank-you{width:min(720px,90%);margin:auto;text-align:center;padding:15vh 0}
.thank-logo{width:220px;margin-bottom:50px}
.thank-you h1{font-size:clamp(42px,6vw,65px);line-height:1.05;letter-spacing:-.04em}
.thank-you h1 em{font-style:normal;color:var(--green-dark)}
.thank-you p{color:var(--muted);font-size:17px;max-width:600px;margin:20px auto 35px}

@media(max-width:900px){
    .credentials-grid{grid-template-columns:1fr;gap:45px}
    .enquiry-form{grid-template-columns:1fr}
    .enquiry-form label:nth-child(4),.enquiry-form label:nth-child(5){grid-column:auto}
    .form-submit{grid-column:auto}
}

.form-error{grid-column:1/-1;background:rgba(255,255,255,.12);border-left:3px solid #d9f29f;padding:10px 12px;margin:0;color:#fff;font-size:13px}