/* ============================================================
   HM Infotech — Scale Model Company
   Main stylesheet
   ============================================================ */

:root{
  --navy-900:#0a1526;
  --navy-800:#0f1e35;
  --navy-700:#152847;
  --navy-600:#1c3459;
  --blue:#1f3a63;
  --accent:#f5a623;
  --accent-2:#ffcf5c;
  --accent-dark:#d98a12;
  --light:#f6f7fb;
  --light-2:#eef0f6;
  --white:#ffffff;
  --ink:#171b24;
  --muted:#647089;
  --border:#e4e7f0;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(15,25,50,.06);
  --shadow-md:0 12px 32px rgba(15,25,50,.10);
  --shadow-lg:0 24px 60px rgba(10,20,40,.18);
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Poppins',system-ui,sans-serif;
  line-height:1.2;
  margin:0 0 .5em;
  color:var(--navy-900);
  font-weight:600;
}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-alt{background:var(--light)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-dark);background:rgba(245,166,35,.12);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.section-head{max-width:680px;margin:0 auto 48px;text-align:center}
.section-head h2{font-size:clamp(28px,3.4vw,40px)}
.section-head p{color:var(--muted);font-size:17px}
.section-head.left{margin:0 0 40px;text-align:left}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;
  border:2px solid transparent;transition:.25s;white-space:nowrap;
}
.btn-accent{background:var(--accent);color:var(--navy-900);}
.btn-accent:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 10px 24px rgba(245,166,35,.35)}
.btn-outline{border-color:rgba(255,255,255,.35);color:var(--white)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-navy{background:var(--navy-900);color:#fff}
.btn-navy:hover{background:var(--navy-700);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:13.5px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:500;
  background:rgba(10,21,38,.85);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo-badge{
  width:46px;height:46px;border-radius:12px;background:#fff;padding:5px;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);
  overflow:hidden;flex:none;
}
.brand .logo-badge img{width:100%;height:100%;object-fit:contain}
.brand .brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand .brand-text .name{font-family:'Poppins',sans-serif;font-weight:700;font-size:18px;color:#fff;letter-spacing:.01em}
.brand .brand-text .tag{font-size:11px;color:var(--accent-2);letter-spacing:.09em;text-transform:uppercase}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  color:rgba(255,255,255,.82);font-weight:500;font-size:14.5px;
  padding:10px 16px;border-radius:999px;transition:.2s;position:relative;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.main-nav a.active{color:var(--navy-900);background:var(--accent)}
.header-actions{display:flex;align-items:center;gap:10px}
.header-social{display:flex;gap:8px;margin-right:6px}
.header-social a{
  width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#fff;transition:.2s;
}
.header-social a svg{width:15px;height:15px}
.header-social a:hover{background:var(--accent);color:var(--navy-900)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;border-radius:8px;color:#fff}
.nav-toggle svg{width:24px;height:24px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1200px 600px at 15% -10%, rgba(31,58,99,.9), transparent 60%),
             linear-gradient(135deg,var(--navy-900),var(--navy-700) 60%,var(--blue));
  padding:96px 0 110px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:26px 26px;opacity:.35;
}
.hero .container{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{color:#fff;font-size:clamp(32px,4.6vw,54px);letter-spacing:-.01em}
.hero h1 span{color:var(--accent)}
.hero p.lead{color:rgba(255,255,255,.78);font-size:18px;max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.hero-stats div b{display:block;font-family:'Poppins',sans-serif;font-size:26px;color:var(--accent-2)}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.65)}
.hero-media{position:relative}
.hero-media .frame{
  border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);
  border:6px solid rgba(255,255,255,.08);aspect-ratio:4/3.1;
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover}
.hero-media .badge{
  position:absolute;left:-18px;bottom:-18px;background:var(--white);color:var(--navy-900);
  padding:16px 20px;border-radius:16px;box-shadow:var(--shadow-md);display:flex;gap:12px;align-items:center;
  max-width:230px;
}
.hero-media .badge .ic{width:42px;height:42px;border-radius:12px;background:var(--accent);display:flex;align-items:center;justify-content:center;flex:none}
.hero-media .badge .ic svg{width:22px;height:22px;color:var(--navy-900)}
.hero-media .badge b{display:block;font-size:14px}
.hero-media .badge span{font-size:12px;color:var(--muted)}

/* ---------- Marquee / trust strip ---------- */
.strip{background:var(--navy-900);color:rgba(255,255,255,.55);padding:18px 0;font-size:13px;letter-spacing:.04em;text-transform:uppercase;border-top:1px solid rgba(255,255,255,.06)}
.strip .container{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}

/* ---------- Cards: Services ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}

.service-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:.3s;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.service-card .thumb{aspect-ratio:16/11;overflow:hidden;background:var(--light-2)}
.service-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.service-card:hover .thumb img{transform:scale(1.06)}
.service-card .body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.service-card .num{font-family:'Poppins',sans-serif;font-weight:700;color:var(--accent);font-size:13px}
.service-card h3{font-size:19px;margin:0}
.service-card p{color:var(--muted);font-size:14.5px;margin:0;flex:1}

/* ---------- About split ---------- */
.about-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.about-media{position:relative}
.about-media .ph{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3.3}
.about-media .ph img{width:100%;height:100%;object-fit:cover}
.about-media .accent-box{position:absolute;top:-18px;right:-18px;width:120px;height:120px;background:var(--accent);border-radius:20px;z-index:-1}
.about-list{display:grid;gap:14px;margin-top:22px}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink)}
.about-list li .tick{width:24px;height:24px;border-radius:50%;background:rgba(245,166,35,.15);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px}
.about-list li .tick svg{width:14px;height:14px}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--navy-900),var(--blue));
  color:#fff;border-radius:24px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-banner h2{color:#fff;margin-bottom:6px;font-size:clamp(22px,2.6vw,30px)}
.cta-banner p{color:rgba(255,255,255,.72);margin:0}

/* ---------- Portfolio ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.filter-btn{
  padding:10px 20px;border-radius:999px;border:1px solid var(--border);background:#fff;
  font-size:13.5px;font-weight:600;color:var(--muted);transition:.2s;
}
.filter-btn:hover{border-color:var(--accent);color:var(--navy-900)}
.filter-btn.active{background:var(--navy-900);border-color:var(--navy-900);color:#fff}

.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pf-card{
  position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3.1;cursor:pointer;
  box-shadow:var(--shadow-sm);background:var(--light-2);
}
.pf-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.pf-card:hover img{transform:scale(1.08)}
.pf-card .overlay{
  position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,20,38,.92),rgba(10,20,38,0) 62%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:20px;color:#fff;opacity:0;transition:.3s;
}
.pf-card:hover .overlay{opacity:1}
.pf-card .cat{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2);margin-bottom:4px;display:block}
.pf-card h4{color:#fff;font-size:16px;margin:0}
.pf-card .zoom{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.15);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;color:#fff;opacity:0;transition:.3s}
.pf-card:hover .zoom{opacity:1}
.pf-card .zoom svg{width:16px;height:16px}
.pf-empty{text-align:center;color:var(--muted);padding:60px 0}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(8,14,26,.92);z-index:2000;display:none;align-items:center;justify-content:center;padding:32px}
.lightbox.open{display:flex}
.lightbox-inner{max-width:920px;width:100%;background:#0f1e35;border-radius:18px;overflow:hidden;display:grid;grid-template-columns:1.3fr 1fr;box-shadow:var(--shadow-lg)}
.lightbox-inner img{width:100%;height:100%;object-fit:cover;max-height:70vh}
.lightbox-info{padding:32px;color:#fff;display:flex;flex-direction:column;justify-content:center}
.lightbox-info .cat{color:var(--accent-2);font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.lightbox-info h3{color:#fff}
.lightbox-info p{color:rgba(255,255,255,.72);font-size:14.5px}
.lightbox-close{position:absolute;top:22px;right:28px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:flex;align-items:center;justify-content:center;border:0}
.lightbox-close svg{width:18px;height:18px}
@media(max-width:720px){.lightbox-inner{grid-template-columns:1fr}}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.office-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;gap:16px;margin-bottom:16px;box-shadow:var(--shadow-sm);
}
.office-card .ic{width:44px;height:44px;border-radius:12px;background:rgba(245,166,35,.15);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;flex:none}
.office-card .ic svg{width:22px;height:22px}
.office-card h4{margin:0 0 6px;font-size:15px}
.office-card p{margin:0;color:var(--muted);font-size:14px;white-space:pre-line}
.contact-info-list{display:grid;gap:10px;margin-top:6px}
.contact-info-list a{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:14.5px;font-weight:500}
.contact-info-list a svg{width:17px;height:17px;color:var(--accent-dark)}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{width:40px;height:40px;border-radius:50%;background:var(--navy-900);color:#fff;display:flex;align-items:center;justify-content:center;transition:.2s}
.social-row a svg{width:17px;height:17px}
.social-row a:hover{background:var(--accent);color:var(--navy-900)}

.contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--navy-900)}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-family:inherit;font-size:14.5px;color:var(--ink);background:var(--light);transition:.2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);background:#fff}
.field textarea{resize:vertical;min-height:130px}
.form-msg{padding:14px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px;display:none}
.form-msg.show{display:block}
.form-msg.ok{background:#e6f8ee;color:#0f7a45}
.form-msg.err{background:#fdeaea;color:#b23434}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.7);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand .brand-text .name{color:#fff}
.site-footer p{color:rgba(255,255,255,.55);font-size:14px}
.site-footer h5{color:#fff;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.6);font-size:14.5px;transition:.2s}
.footer-links a:hover{color:var(--accent-2)}
.footer-office{margin-bottom:18px}
.footer-office b{display:block;color:#fff;font-size:13px;margin-bottom:4px}
.footer-office span{font-size:13.5px;color:rgba(255,255,255,.55);white-space:pre-line}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:24px 0;flex-wrap:wrap;gap:12px}
.footer-bottom .fb-social{display:flex;gap:8px}
.footer-bottom .fb-social a{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff}
.footer-bottom .fb-social a svg{width:15px;height:15px}
.footer-bottom .fb-social a:hover{background:var(--accent);color:var(--navy-900)}
.footer-bottom small{color:rgba(255,255,255,.45);font-size:12.5px}

/* ---------- Page header (inner pages) ---------- */
.page-header{
  background:linear-gradient(120deg,var(--navy-900),var(--navy-700));
  color:#fff;padding:66px 0 60px;position:relative;overflow:hidden;
}
.page-header::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:26px 26px;opacity:.3}
.page-header .container{position:relative}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:10px}
.breadcrumb a{color:var(--accent-2)}
.page-header h1{color:#fff;font-size:clamp(28px,3.6vw,42px);margin-bottom:8px}
.page-header p{color:rgba(255,255,255,.7);max-width:620px}

/* ---------- Chat widget ---------- */
.chat-launcher{
  position:fixed;bottom:26px;right:26px;z-index:900;
  width:60px;height:60px;border-radius:50%;background:var(--accent);color:var(--navy-900);
  display:flex;align-items:center;justify-content:center;border:0;box-shadow:0 10px 30px rgba(245,166,35,.45);
  transition:.25s;
}
.chat-launcher:hover{transform:scale(1.06)}
.chat-launcher svg{width:26px;height:26px}
.chat-launcher .dot{position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:50%;background:#ef4444;border:2px solid #fff;display:none}
.chat-launcher .dot.show{display:block}

.chat-panel{
  position:fixed;bottom:100px;right:26px;z-index:900;width:340px;max-width:calc(100vw - 40px);
  background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden;
  display:none;flex-direction:column;height:460px;max-height:calc(100vh - 150px);
}
.chat-panel.open{display:flex}
.chat-head{background:var(--navy-900);color:#fff;padding:16px 18px;display:flex;align-items:center;gap:12px}
.chat-head .logo-badge{width:34px;height:34px;border-radius:9px;background:#fff;padding:3px;flex:none;overflow:hidden}
.chat-head .logo-badge img{width:100%;height:100%;object-fit:contain}
.chat-head strong{display:block;font-size:14px}
.chat-head span{font-size:11.5px;color:var(--accent-2);display:flex;align-items:center;gap:5px}
.chat-head span::before{content:"";width:7px;height:7px;border-radius:50%;background:#22c55e}
.chat-head button{margin-left:auto;background:rgba(255,255,255,.12);border:0;color:#fff;width:28px;height:28px;border-radius:50%}
.chat-body{flex:1;overflow-y:auto;padding:16px;background:var(--light);display:flex;flex-direction:column;gap:10px}
.chat-msg{max-width:80%;padding:10px 13px;border-radius:14px;font-size:13.5px;line-height:1.45}
.chat-msg.visitor{align-self:flex-end;background:var(--accent);color:var(--navy-900);border-bottom-right-radius:4px}
.chat-msg.admin{align-self:flex-start;background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px}
.chat-msg .t{display:block;font-size:10px;opacity:.6;margin-top:4px}
.chat-intro{font-size:13px;color:var(--muted);text-align:center;padding:10px 0}
.chat-name-gate{padding:18px;display:flex;flex-direction:column;gap:10px}
.chat-name-gate input{padding:11px 13px;border-radius:10px;border:1.5px solid var(--border);font-size:13.5px}
.chat-foot{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border);background:#fff}
.chat-foot input{flex:1;border:1.5px solid var(--border);border-radius:999px;padding:11px 16px;font-size:13.5px}
.chat-foot input:focus{outline:none;border-color:var(--accent)}
.chat-foot button{width:42px;height:42px;border-radius:50%;background:var(--navy-900);color:#fff;border:0;display:flex;align-items:center;justify-content:center;flex:none}
.chat-foot button svg{width:17px;height:17px}

/* ---------- Utility ---------- */
.mt-0{margin-top:0}
.text-center{text-align:center}
.badge-pill{display:inline-block;padding:5px 12px;border-radius:999px;background:rgba(245,166,35,.14);color:var(--accent-dark);font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .about-split{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .hero .container{grid-template-columns:1fr}
  .hero-media{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .main-nav,.header-social{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .grid-4,.grid-3,.grid-2,.portfolio-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .form-row{grid-template-columns:1fr}
  .cta-banner{padding:36px;flex-direction:column;text-align:center}
  .footer-grid{grid-template-columns:1fr}
  .chat-panel{right:12px;left:12px;width:auto}
  .chat-launcher{right:16px;bottom:16px}
}

/* Mobile nav drawer */
.mobile-nav{
  position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;background:var(--navy-900);z-index:1000;
  transform:translateX(100%);transition:.3s;padding:28px 24px;overflow-y:auto;
}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav a{display:block;color:#fff;padding:14px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-nav .close-btn{background:none;border:0;color:#fff;width:36px;height:36px;margin-bottom:12px}
.mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:999;display:none}
.mobile-overlay.open{display:block}