:root {
  --navy:#10243e;
  --navy2:#183757;
  --blue:#295a86;
  --orange:#e96512;
  --orange2:#f78a3c;
  --ink:#17202b;
  --muted:#687384;
  --bg:#f4f7fa;
  --line:#dce3eb;
  --white:#fff;
  --green:#1f8b55;
  --shadow:0 16px 45px rgba(16,36,62,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{display:block;max-width:100%}
button,a{font:inherit}
a{color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.topline{background:var(--orange);color:#fff;text-align:center;padding:7px 16px;font-size:12px;font-weight:700;letter-spacing:.25px}
header{position:sticky;top:0;z-index:100;background:rgba(16,36,62,.97);backdrop-filter:blur(10px);box-shadow:0 4px 18px rgba(0,0,0,.14)}
.header-main{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{text-decoration:none;color:#fff;display:flex;flex-direction:column;line-height:1}
.brand strong{font-size:20px;letter-spacing:.7px}
.brand strong span{color:var(--orange2)}
.brand small{font-size:9px;color:#afc2d6;letter-spacing:1.4px;margin-top:5px}
nav{display:flex;align-items:center;gap:4px}
nav a{text-decoration:none;color:#d7e3ef;font-size:13px;font-weight:650;padding:10px 12px;border-radius:7px;white-space:nowrap}
nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px}
.lang{display:flex;gap:4px}
.lang button{border:1px solid rgba(255,255,255,.28);background:transparent;color:#d8e3ef;border-radius:6px;padding:6px 9px;font-size:11px;font-weight:800;cursor:pointer}
.lang button.active,.lang button:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.phone{color:#fff;text-decoration:none;font-weight:800;font-size:14px;white-space:nowrap}
.header-cta{background:var(--orange);color:#fff;text-decoration:none;border-radius:8px;padding:10px 15px;font-size:13px;font-weight:800;white-space:nowrap}
.header-cta:hover{background:var(--orange2)}
.hero{min-height:630px;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden;background:
linear-gradient(90deg,rgba(10,26,45,.96) 0%,rgba(10,26,45,.89) 46%,rgba(10,26,45,.35) 77%,rgba(10,26,45,.18) 100%),
url("../images/hero-bg.jpg") center/cover no-repeat}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 70%,rgba(10,26,45,.48))}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:670px;padding:84px 0}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#ffb177;font-size:12px;font-weight:850;letter-spacing:1.9px;text-transform:uppercase;margin-bottom:20px}
.eyebrow:before{content:"";width:32px;height:2px;background:var(--orange)}
.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.06;letter-spacing:-1.8px;margin-bottom:22px}
.hero h1 span{color:var(--orange2)}
.hero p{max-width:620px;color:#c5d4e3;font-size:18px;margin-bottom:32px}
.hero-buttons{display:flex;gap:13px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;border:0;cursor:pointer;padding:14px 22px;border-radius:9px;font-weight:800;font-size:14px}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange2)}
.btn-ghost{border:1px solid rgba(255,255,255,.38);color:#fff;background:rgba(255,255,255,.06)}
.hero-facts{display:flex;gap:28px;flex-wrap:wrap;margin-top:45px}
.hero-fact{border-left:2px solid var(--orange);padding-left:13px}
.hero-fact strong{display:block;font-size:24px;line-height:1.1}
.hero-fact span{font-size:12px;color:#aec3d7}
.trust-strip{background:#fff;border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.trust-item{padding:20px 12px;text-align:center;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item strong{display:block;color:var(--navy);font-size:14px}
.trust-item span{color:var(--muted);font-size:11px}
section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:38px}
.section-kicker{color:var(--orange);font-weight:850;font-size:11px;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}
.section-title{font-size:clamp(30px,4vw,43px);line-height:1.12;color:var(--navy);letter-spacing:-.8px}
.section-text{max-width:590px;color:var(--muted);font-size:15px;margin-top:12px}
.kz-section{background:var(--bg)}
.kz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kz-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.kz-card img{width:100%;height:240px;object-fit:cover}
.kz-card-body{padding:24px}
.kz-card .number{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:1px}
.kz-card h3{font-size:21px;line-height:1.25;color:var(--navy);margin:8px 0}
.kz-card p{color:var(--muted);font-size:14px}
.kz-specs{display:flex;flex-wrap:wrap;gap:7px;margin-top:17px}
.kz-specs span{background:#edf3f8;color:var(--blue);padding:5px 9px;border-radius:999px;font-size:11px;font-weight:750}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service{border:1px solid var(--line);border-radius:14px;padding:25px;background:#fff;transition:.25s}
.service:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f2b287}
.service-icon{width:44px;height:44px;border-radius:10px;background:#fff0e6;color:var(--orange);display:grid;place-items:center;font-size:21px;font-weight:900;margin-bottom:18px}
.service h3{font-size:18px;color:var(--navy);margin-bottom:8px}
.service p{font-size:13px;color:var(--muted);line-height:1.65}
.projects-section{background:#0d223a;color:#fff}
.projects-section .section-title{color:#fff}
.projects-section .section-text{color:#a9bfd3}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filter-btn{border:1px solid rgba(255,255,255,.20);background:transparent;color:#c7d6e5;border-radius:999px;padding:8px 14px;font-size:12px;font-weight:750;cursor:pointer}
.filter-btn.active,.filter-btn:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.project-card{background:#fff;color:var(--ink);border-radius:15px;overflow:hidden;box-shadow:0 18px 46px rgba(0,0,0,.17);transition:.25s;display:flex;flex-direction:column}
.project-card:hover{transform:translateY(-5px)}
.project-card.hidden{display:none}
.project-image{height:205px;overflow:hidden;background:#ccd5df}
.project-image img{width:100%;height:100%;object-fit:cover;transition:.4s}
.project-card:hover .project-image img{transform:scale(1.035)}
.project-body{padding:21px;display:flex;flex-direction:column;flex:1}
.project-badge{display:inline-flex;align-self:flex-start;background:#fff0e7;color:var(--orange);font-size:10px;font-weight:900;letter-spacing:.8px;border-radius:999px;padding:5px 8px;margin-bottom:11px}
.project-card h3{font-size:18px;line-height:1.25;color:var(--navy);margin-bottom:8px}
.project-meta{font-size:11px;color:var(--blue);font-weight:850;margin-bottom:10px}
.project-card p{font-size:13px;color:var(--muted);margin-bottom:17px}
.project-more{margin-top:auto;border:0;background:transparent;color:var(--orange);font-weight:850;display:flex;gap:8px;align-items:center;cursor:pointer;text-align:left}
.company-section{background:var(--bg)}
.company-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.company-copy p{color:var(--muted);margin-top:16px}
.company-points{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:25px}
.company-point{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.company-point strong{display:block;color:var(--navy);font-size:15px}
.company-point span{font-size:12px;color:var(--muted)}
.company-visual{background:var(--navy);border-radius:18px;padding:34px;color:#fff;position:relative;overflow:hidden}
.company-visual:after{content:"ZHONG HENG FENG";position:absolute;right:-25px;bottom:5px;font-size:42px;font-weight:900;color:rgba(255,255,255,.035);white-space:nowrap}
.big-stat{font-size:66px;color:var(--orange2);font-weight:900;line-height:1}
.big-stat-label{font-size:14px;color:#b9ccde;margin-bottom:25px}
.certs{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:relative;z-index:1}
.cert{border:1px solid rgba(255,255,255,.13);border-radius:9px;padding:11px;font-size:12px;color:#d7e4ef}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{border-top:3px solid var(--orange);background:#fff;border-radius:0 0 12px 12px;padding:22px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.step b{color:var(--orange);font-size:12px}
.step h3{font-size:17px;color:var(--navy);margin:6px 0}
.step p{font-size:12px;color:var(--muted)}
.contact-section{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}
.contact-section .section-title{color:#fff}
.contact-section .section-text{color:#b9ccdf}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}
.contact-list{display:flex;flex-direction:column;gap:18px}
.contact-item{display:flex;gap:13px;align-items:flex-start}
.contact-dot{width:39px;height:39px;border-radius:9px;background:rgba(233,101,18,.17);color:var(--orange2);display:grid;place-items:center;font-weight:900}
.contact-item small{display:block;color:#9fb7cd}
.contact-item a{color:#fff;text-decoration:none;font-weight:800}
.contact-form{background:#fff;border-radius:16px;padding:27px;color:var(--ink)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{margin-bottom:13px}
.field.full{grid-column:1/-1}
.field label{display:block;font-size:11px;font-weight:850;color:var(--navy);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px 13px;font:inherit;font-size:13px;outline:none}
.field textarea{min-height:95px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--orange)}
.submit{width:100%;background:var(--orange);color:#fff;border:0;border-radius:9px;padding:14px;font-weight:850;cursor:pointer}
.submit:hover{background:var(--orange2)}
.form-note{font-size:10px;color:var(--muted);margin-top:9px;text-align:center}.form-status{min-height:18px;margin-top:8px;text-align:center;font-size:11px;font-weight:700}.form-status.success{color:#15803d}.form-status.error{color:#b91c1c}.submit:disabled{opacity:.65;cursor:wait}
footer{background:#081829;color:#8da7bf;padding:35px 0}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:25px;flex-wrap:wrap}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{font-size:12px;text-decoration:none}
.footer-credit{text-align:center;margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:#5d7488}
.whatsapp{position:fixed;right:20px;bottom:20px;width:54px;height:54px;border-radius:50%;background:#25d366;color:#fff;text-decoration:none;display:grid;place-items:center;box-shadow:0 10px 28px rgba(0,0,0,.22);z-index:99}.whatsapp svg{width:30px;height:30px;display:block;fill:currentColor}
.modal{position:fixed;inset:0;background:rgba(3,12,22,.78);z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-box{width:min(850px,100%);background:#fff;border-radius:18px;overflow:hidden;position:relative;box-shadow:0 25px 80px rgba(0,0,0,.35)}
.modal-img{height:350px;width:100%;object-fit:cover}
.modal-content{padding:28px}
.modal-content h3{font-size:27px;line-height:1.2;color:var(--navy);margin-bottom:8px}
.modal-meta{font-size:12px;color:var(--orange);font-weight:900;margin-bottom:14px}
.modal-content p{color:var(--muted)}
.modal-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border:0;border-radius:50%;background:rgba(0,0,0,.62);color:#fff;font-size:23px;cursor:pointer}
.burger{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:38px;height:38px;border:0;background:transparent;padding:0;cursor:pointer;flex-shrink:0}
.burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none}
@media(max-width:980px){
  nav{display:none}
  .burger{display:flex}
  .mobile-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--navy);padding:6px 20px 18px;box-shadow:0 14px 26px rgba(0,0,0,.28);max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:max-height .3s ease,opacity .2s ease}
  .mobile-nav.open{display:flex;max-height:520px;opacity:1;pointer-events:auto}
  .mobile-nav a{color:#d7e3ef;text-decoration:none;font-size:14px;font-weight:650;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.1)}
  .mobile-nav a.mobile-nav-phone{color:#fff;font-weight:800}
  .mobile-nav a.mobile-nav-cta{background:var(--orange);color:#fff;text-align:center;border-radius:8px;border-bottom:0;margin-top:10px;padding:13px}
  .projects-grid,.kz-grid,.services-grid{grid-template-columns:repeat(2,1fr)}
  .company-grid,.contact-grid{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:650px){
  .container{width:min(100% - 26px,1180px)}
  .topline{font-size:10px}
  .header-main{min-height:64px}
  .phone{display:none}
  .header-cta{display:none}
  .hero{min-height:570px;background-position:60% center}
  .hero-content{padding:70px 0}
  .hero h1{font-size:38px}
  .hero p{font-size:15px}
  .hero-facts{gap:17px}
  section{padding:62px 0}
  .section-head{display:block}
  .projects-grid,.kz-grid,.services-grid,.process,.form-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-item{border-bottom:1px solid var(--line)}
  .company-points,.certs{grid-template-columns:1fr}
  .modal-img{height:230px}
  .modal-content h3{font-size:22px}
}

.project-card h3{min-height:68px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.project-card p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.project-count{font-size:12px;color:#9fb5c9;margin-top:9px;font-weight:700}

.lang{display:flex;gap:4px;flex-wrap:nowrap}.lang button{min-width:38px;padding-left:9px;padding-right:9px}.lang button:last-child{min-width:48px}@media(max-width:620px){.lang{gap:2px}.lang button{min-width:34px;padding:7px 6px;font-size:11px}.lang button:last-child{min-width:42px}}