/* NYJ Construction Ltd — style.css */
:root{
  --green:#2F6B3F; --green-dark:#24542F; --green-tint:#EAF2EC;
  --charcoal:#1F2D3D; --ink:#26333F; --muted:#5B6A76;
  --bg:#F7F8F6; --card:#FFFFFF; --line:#E3E8E3;
  --radius:14px; --shadow:0 6px 24px rgba(31,45,61,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:var(--green);text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
section{padding:72px 0}
h1,h2,h3{line-height:1.25;color:var(--charcoal)}
h2{font-size:clamp(26px,3.4vw,34px);margin-bottom:10px}
.section-intro{color:var(--muted);max-width:640px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green);background:var(--green-tint);padding:6px 12px;border-radius:999px;margin-bottom:16px}
.center{text-align:center}.center .section-intro{margin-left:auto;margin-right:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--charcoal)}
.brand-mark{width:40px;height:40px;flex:none}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.02em;line-height:1.1}
.brand-sub{display:block;font-size:10px;font-weight:700;letter-spacing:.28em;color:var(--green)}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav a{color:var(--ink);font-weight:600;font-size:15px}
.main-nav a:hover{color:var(--green)}
.main-nav a.active{color:var(--green)}
.header-actions{display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;border:1.5px solid var(--line);border-radius:999px;overflow:hidden;font-size:13px;font-weight:700}
.lang-switch a{padding:6px 12px;color:var(--muted)}
.lang-switch a.on{background:var(--green);color:#fff}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger svg{width:26px;height:26px;stroke:var(--charcoal)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:10px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:.18s;white-space:nowrap}
.btn-solid{background:var(--green);color:#fff}
.btn-solid:hover{background:var(--green-dark);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--charcoal);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.btn-lg{padding:16px 30px;font-size:16px}
.btn-light{background:#fff;color:var(--green)}

/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden;padding:96px 0}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:var(--charcoal)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,34,26,.88) 0%,rgba(23,34,26,.62) 48%,rgba(23,34,26,.25) 100%)}
.hero .container{position:relative;z-index:2;max-width:720px;margin-left:0}
@media(min-width:1121px){.hero .container{margin-left:max(20px,calc((100% - 1120px)/2 + 20px))}}
.hero .eyebrow{background:rgba(255,255,255,.14);color:#DCE9DF}
.hero h1{color:#fff;font-size:clamp(32px,4.6vw,50px);margin-bottom:18px}
.hero p{color:#E7ECE8;font-size:18px;max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4);color:#fff}
.hero .btn-ghost:hover{border-color:#fff;color:#fff}

/* Trust strip */
.trust{background:var(--charcoal);color:#fff;padding:18px 0}
.trust .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.trust span{font-size:14px;font-weight:600;color:#D7DFD9;display:flex;align-items:center;gap:8px}
.trust svg{width:16px;height:16px;stroke:#8FC49B}

/* Service cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(31,45,61,.13)}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#DFE7E0}
.card-body{padding:20px 22px 24px}
.card-body h3{font-size:18px;margin-bottom:8px}
.card-body p{color:var(--muted);font-size:14.5px}
.card-link{display:inline-block;margin-top:12px;font-weight:700;font-size:14px}

/* Why us */
.why{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why-item{text-align:center;padding:12px}
.why-icon{width:64px;height:64px;border-radius:50%;background:var(--green-tint);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.why-icon svg{width:30px;height:30px;stroke:var(--green)}
.why-item h3{font-size:17px;margin-bottom:6px}
.why-item p{color:var(--muted);font-size:14px}

/* Before / After */
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:26px}
.ba-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.ba-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#DFE7E0}
.ba-tag{position:absolute;top:14px;left:14px;padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#fff}
.ba-tag.before{background:rgba(31,45,61,.92)}
.ba-tag.after{background:var(--green)}
.ba-caption{margin:-14px 0 40px;color:var(--muted);font-size:14.5px}

/* Process */
.process{background:#fff;border-top:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.g-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.g-item img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#DFE7E0}
.g-cap{padding:14px 16px;font-size:14px;font-weight:600;color:var(--ink)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--green) 0%,var(--green-dark) 100%);color:#fff;border-radius:20px;padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:6px}
.cta-band p{color:#DCE9DF}
.cta-band .hero-actions{margin:0}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--charcoal);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;color:var(--ink);background:#FCFDFC}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.field textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-status{margin-top:14px;font-size:14.5px;font-weight:600;display:none;padding:12px 14px;border-radius:10px}
.form-status.ok{display:block;background:var(--green-tint);color:var(--green-dark)}
.form-status.err{display:block;background:#FBEAEA;color:#9C3A3A}
.info-card{background:var(--charcoal);color:#fff;border-radius:var(--radius);padding:32px}
.info-card h3{color:#fff;font-size:19px;margin-bottom:18px}
.info-line{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px;color:#D7DFD9;font-size:15px}
.info-line svg{width:20px;height:20px;stroke:#8FC49B;flex:none;margin-top:2px}
.info-line a{color:#fff;font-weight:700}
.qr-box{background:#fff;border-radius:12px;padding:12px;width:180px;margin-top:8px}
.qr-box img{width:100%;border-radius:6px}
.qr-note{font-size:13px;color:#9FB0A4;margin-top:8px}

/* Page hero (inner pages) */
.page-hero{background:var(--charcoal);color:#fff;padding:64px 0 56px}
.page-hero h1{color:#fff;font-size:clamp(28px,3.8vw,40px);margin-bottom:10px}
.page-hero p{color:#B9C6BD;max-width:640px}

/* Service detail rows */
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.svc-row:last-child{border-bottom:0}
.svc-row img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);background:#DFE7E0}
.svc-row h3{font-size:22px;margin-bottom:12px}
.svc-row ul{margin:14px 0 0 18px;color:var(--muted);font-size:15px}
.svc-row li{margin-bottom:6px}

/* Footer */
.site-footer{background:var(--charcoal);color:#AEBBBA;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:40px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.04em}
.site-footer p,.site-footer a{font-size:14px;color:#AEBBBA}
.site-footer a:hover{color:#fff}
.footer-links a{display:block;margin-bottom:9px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-qr{background:#fff;border-radius:10px;padding:10px;width:140px;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13px;color:#7E8D93;text-align:center}

/* Responsive */
@media(max-width:960px){
  .grid-3,.gallery{grid-template-columns:repeat(2,1fr)}
  .grid-4,.steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .svc-row{grid-template-columns:1fr;gap:22px}
}
@media(max-width:640px){
  section{padding:52px 0}
  .grid-3,.gallery,.grid-4,.steps,.form-row{grid-template-columns:1fr}
  .ba-pair{grid-template-columns:1fr}
  .trust .container{justify-content:flex-start}
  .cta-band{padding:36px 24px}
  .burger{display:block}
  .main-nav{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px;gap:18px;border-bottom:1px solid var(--line);transform:translateY(-140%);transition:.25s;box-shadow:0 20px 40px rgba(31,45,61,.15)}
  .main-nav.open{transform:translateY(0)}
  .header-actions .btn{display:none}
  .hero{min-height:480px}
}