:root{
  --navy:#0E2A55;
  --navy-dark:#081A3A;
  --orange:#F5A623;
  --orange-deep:#DD8A12;
  --red:#E63329;
  --paper:#F3F5F8;
  --paper-line: rgba(14,42,85,0.08);
  --ink:#12181F;
  --steel:#5C6B7D;
  --white:#FFFFFF;
  --radius:3px;
  --ff-display:'Oswald', sans-serif;
  --ff-body:'Inter', sans-serif;
  --ff-mono:'IBM Plex Mono', monospace;
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--ff-display);margin:0;line-height:1.05;letter-spacing:0.01em;}
p{margin:0;}
section{position:relative;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- Bangla mode typography ---------- */
html[data-lang="bn"] *{font-family:var(--ff-body) !important; text-transform:none !important; letter-spacing:0 !important;}
html[data-lang="bn"] h1,html[data-lang="bn"] h2,html[data-lang="bn"] h3,html[data-lang="bn"] h4,
html[data-lang="bn"] .brand-text,html[data-lang="bn"] .btn,html[data-lang="bn"] .lang-toggle button{
  font-family:var(--ff-display) !important;
}
html[data-lang="bn"]{ --ff-display:'Baloo Da 2','Hind Siliguri',sans-serif; --ff-body:'Hind Siliguri','Inter',sans-serif; }
html[data-lang="bn"] p,html[data-lang="bn"] .lede,html[data-lang="bn"] .bio,
html[data-lang="bn"] .service-card p,html[data-lang="bn"] .build-card p,html[data-lang="bn"] .about-copy p,
html[data-lang="bn"] .hs-card p{
  line-height:1.95;
}
html[data-lang="bn"] .section-head p{line-height:1.85;}
html[data-lang="bn"] h1{line-height:1.25;}
html[data-lang="bn"] .about-point span,html[data-lang="bn"] .empty-state p,html[data-lang="bn"] .footer-tag{line-height:1.8;}

/* ---------- Language toggle ---------- */
.lang-toggle{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:3px;gap:2px;}
.lang-toggle button{
  border:none;background:transparent;color:rgba(255,255,255,.65);font-size:12.5px;font-weight:600;
  padding:6px 13px;border-radius:16px;cursor:pointer;transition:background .2s ease,color .2s ease;
}
.lang-toggle button.active{background:var(--orange);color:var(--navy-dark);}

/* ---------- Dimension-line eyebrow ---------- */
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-family:var(--ff-mono);font-size:12.5px;font-weight:600;
  letter-spacing:0.16em;text-transform:uppercase;color:var(--steel);
  margin-bottom:16px;
}
.eyebrow .tick{width:22px;height:8px;border-left:1.5px solid var(--steel);border-right:1.5px solid var(--steel);position:relative;flex:none;}
.eyebrow .tick::after{content:"";position:absolute;left:0;right:0;top:50%;height:1.5px;background:var(--steel);}
.eyebrow.on-dark{color:rgba(255,255,255,.75);}
.eyebrow.on-dark .tick, .eyebrow.on-dark .tick::after{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.55);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-body);font-weight:600;font-size:15px;
  padding:13px 24px;border-radius:var(--radius);border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:var(--navy-dark);}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5);}
.btn-outline:hover{border-color:var(--white);transform:translateY(-2px);}
.btn-navy{background:var(--navy);color:var(--white);}
.btn-navy:hover{background:var(--navy-dark);transform:translateY(-2px);}

/* ---------- Nav ---------- */
header{
  position:sticky;top:0;left:0;right:0;z-index:100;
  background:rgba(8,26,58,0.92);backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;transition:padding .25s ease;gap:18px;}
header.scrolled .nav-inner{padding:9px 28px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{width:40px;height:40px;border-radius:50%;flex:none;overflow:hidden;background:var(--white);}
.brand-mark img{width:100%;height:100%;object-fit:contain;}
.brand-text{font-family:var(--ff-display);color:var(--white);font-size:17px;font-weight:600;letter-spacing:.02em;line-height:1.15;}
.brand-text span{display:block;font-family:var(--ff-mono);font-size:9.5px;font-weight:500;letter-spacing:.14em;color:var(--orange);text-transform:uppercase;margin-top:2px;}
html[data-lang="bn"] .brand-text span{font-family:var(--ff-body) !important;letter-spacing:0 !important;font-size:11px;}
.nav-links{display:flex;align-items:center;gap:24px;}
.nav-links a:not(.btn){font-size:14px;font-weight:500;color:rgba(255,255,255,.82);transition:color .2s ease;position:relative;}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1.5px;background:var(--orange);transition:width .22s ease;}
.nav-links a:not(.btn):hover{color:var(--white);}
.nav-links a:not(.btn):hover::after,.nav-links a.current:not(.btn)::after{width:100%;}
.nav-links a.current:not(.btn){color:var(--white);}
.nav-right{display:flex;align-items:center;gap:16px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--white);border-radius:2px;}

@media (max-width:900px){
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:var(--navy-dark);flex-direction:column;align-items:flex-start;
    padding:100px 32px 40px;gap:26px;transform:translateX(100%);transition:transform .32s ease;}
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{display:flex;}
  .nav-links .lang-toggle{margin-top:8px;}
}

/* ---------- Page hero (photo-backed, for inner pages) ---------- */
.page-hero{
  background:linear-gradient(180deg, rgba(8,26,58,.86), rgba(8,26,58,.86)), var(--hero-img) center/cover no-repeat;
  padding:76px 0 54px;
}
.page-hero .eyebrow{color:rgba(255,255,255,.65);}
.page-hero .eyebrow .tick,.page-hero .eyebrow .tick::after{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.4);}
.page-hero h1{color:var(--white);font-size:clamp(30px,4.4vw,48px);font-weight:700;text-transform:uppercase;}
.page-hero p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.6;max-width:56ch;margin-top:16px;}

/* ---------- Home Hero ---------- */
.hero{
  background:linear-gradient(180deg, rgba(8,26,58,.82) 0%, rgba(8,26,58,.94) 100%), var(--hero-img) center 30%/cover no-repeat;
  position:relative;overflow:hidden;padding:64px 0 0;
}
.hero-inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 28px 64px;display:grid;grid-template-columns:1fr;gap:28px;align-items:end;min-height:420px;}
.hero-copy .eyebrow{color:rgba(255,255,255,.65);}
.hero-copy .eyebrow .tick,.hero-copy .eyebrow .tick::after{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.4);}
.hero h1{color:var(--white);font-size:clamp(34px,5vw,58px);font-weight:700;text-transform:uppercase;}
.hero h1 em{font-style:normal;color:var(--orange);}
.hero p.lede{color:rgba(255,255,255,.78);font-size:17px;line-height:1.65;max-width:52ch;margin:22px 0 34px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.stat-strip{display:flex;gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,.18);padding-top:22px;flex-wrap:wrap;max-width:640px;}
.stat{flex:1;padding-right:22px;min-width:120px;}
.stat b{font-family:var(--ff-mono);font-size:24px;color:var(--orange);display:block;font-weight:600;}
.stat span{font-size:12px;color:rgba(255,255,255,.58);letter-spacing:.03em;}
html[data-lang="bn"] .stat b{font-size:22px;}

/* ---------- Section basics ---------- */
.section{padding:96px 0;}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);text-transform:uppercase;color:var(--navy-dark);}
.section-head p{color:var(--steel);font-size:16px;line-height:1.65;margin-top:14px;}
.section.on-navy{background:var(--navy-dark);}
.section.on-navy .section-head h2{color:var(--white);}
.section.on-navy .section-head p{color:rgba(255,255,255,.68);}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.about-copy p{color:var(--steel);font-size:16px;line-height:1.75;margin-bottom:18px;}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
.about-point{border-top:2px solid var(--navy);padding-top:12px;}
.about-point b{font-family:var(--ff-display);font-size:15px;color:var(--navy-dark);text-transform:uppercase;letter-spacing:.02em;}
.about-point span{display:block;font-size:13.5px;color:var(--steel);margin-top:4px;line-height:1.5;}
.about-photo{border-radius:6px;overflow:hidden;aspect-ratio:1/1;background:var(--navy-dark);}
.about-photo img{width:100%;height:100%;object-fit:cover;}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--paper-line);border:1px solid var(--paper-line);}
.service-card{background:var(--white);padding:34px 28px;transition:background .25s ease;}
.service-card:hover{background:#FBFBF9;}
.service-num{font-family:var(--ff-mono);font-size:12px;color:var(--orange-deep);font-weight:600;letter-spacing:.08em;}
.service-icon{margin:18px 0 20px;width:44px;height:44px;}
.service-icon svg{width:100%;height:100%;stroke:var(--navy);fill:none;stroke-width:1.5;transition:stroke .25s ease;}
.service-card:hover .service-icon svg{stroke:var(--red);}
.service-card h3{font-size:18px;color:var(--navy-dark);text-transform:uppercase;letter-spacing:.01em;margin-bottom:10px;}
.service-card p{font-size:14.5px;color:var(--steel);line-height:1.6;}
@media (max-width:820px){.services-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.services-grid{grid-template-columns:1fr;}}

/* ---------- Home services (AC / Electrical / Plumbing) ---------- */
.hs-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(230,51,41,.12);color:var(--red);
  font-family:var(--ff-mono);font-size:12.5px;font-weight:600;letter-spacing:.06em;padding:6px 14px;border-radius:20px;margin-bottom:18px;}
.hs-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--red);}
.hs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.hs-card{background:var(--white);border:1px solid var(--paper-line);border-radius:6px;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;}
.hs-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(14,42,85,.12);}
.hs-photo{aspect-ratio:4/3;overflow:hidden;}
.hs-photo img{width:100%;height:100%;object-fit:cover;}
.hs-body{padding:22px 22px 26px;}
.hs-body h3{font-size:17px;color:var(--navy-dark);text-transform:uppercase;margin-bottom:8px;}
.hs-body p{font-size:14px;color:var(--steel);line-height:1.6;}
.hs-note{margin-top:30px;display:flex;align-items:center;gap:10px;font-family:var(--ff-mono);font-size:12.5px;color:var(--steel);}
.hs-note .dot{width:6px;height:6px;border-radius:50%;background:var(--red);flex:none;}
@media (max-width:820px){.hs-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.hs-grid{grid-template-columns:1fr;}}

/* ---------- What we build ---------- */
.build-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.build-card{
  border:1.5px solid rgba(255,255,255,.14);border-radius:4px;padding:26px 20px 22px;
  background:rgba(255,255,255,.03);transition:border-color .25s ease, transform .25s ease;
}
.build-card:hover{border-color:var(--orange);transform:translateY(-4px);}
.build-card svg{width:100%;height:96px;stroke:rgba(255,255,255,.85);fill:none;stroke-width:1.4;margin-bottom:18px;}
.build-card h4{color:var(--white);font-size:15.5px;text-transform:uppercase;letter-spacing:.02em;margin-bottom:6px;}
.build-card p{color:rgba(255,255,255,.55);font-size:13px;line-height:1.55;}
.build-note{
  margin-top:36px;display:flex;align-items:center;gap:12px;
  font-family:var(--ff-mono);font-size:12.5px;color:rgba(255,255,255,.5);letter-spacing:.03em;
}
.build-note .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);flex:none;}
@media (max-width:900px){.build-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.build-grid{grid-template-columns:1fr;}}

/* ---------- Project photo gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.gallery-item{position:relative;border-radius:4px;overflow:hidden;aspect-ratio:4/3;background:var(--navy-dark);}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gallery-item:hover img{transform:scale(1.06);}
.gallery-item .tag{position:absolute;left:12px;bottom:12px;background:rgba(8,26,58,.85);color:var(--white);
  font-family:var(--ff-mono);font-size:11.5px;letter-spacing:.05em;padding:6px 12px;border-radius:20px;}
@media (max-width:820px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.gallery-grid{grid-template-columns:1fr;}}

/* ---------- Team ---------- */
.team-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:0;border:1px solid var(--paper-line);background:var(--white);border-radius:6px;overflow:hidden;}
.team-photo{background:var(--navy-dark);position:relative;min-height:340px;overflow:hidden;}
.team-photo img{width:100%;height:100%;object-fit:cover;object-position:top center;}
.team-info{padding:44px 42px;display:flex;flex-direction:column;justify-content:center;}
.team-info .eyebrow{margin-bottom:10px;}
.team-info h3{font-size:26px;color:var(--navy-dark);text-transform:uppercase;}
.team-info .role{font-family:var(--ff-mono);font-size:13px;color:var(--orange-deep);font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin:6px 0 20px;}
.team-info p.bio{color:var(--steel);font-size:15px;line-height:1.75;max-width:52ch;}
.team-empty-card{border:1.5px dashed rgba(14,42,85,.25);border-radius:6px;padding:30px;text-align:center;color:var(--steel);font-size:13.5px;margin-top:18px;}
@media (max-width:760px){.team-wrap{grid-template-columns:1fr;}.team-photo{min-height:260px;}}

/* ---------- Testimonials (empty state) ---------- */
.empty-state{
  border:1.5px dashed rgba(14,42,85,.25);border-radius:6px;padding:60px 30px;
  text-align:center;max-width:560px;margin:0 auto;
}
.empty-state svg{width:46px;height:46px;stroke:var(--navy);fill:none;stroke-width:1.4;margin:0 auto 18px;}
.empty-state h4{font-size:19px;color:var(--navy-dark);text-transform:uppercase;margin-bottom:10px;}
.empty-state p{color:var(--steel);font-size:14.5px;line-height:1.65;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;}
.contact-list{display:flex;flex-direction:column;gap:0;}
.contact-item{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--paper-line);}
.contact-item:last-child{border-bottom:1px solid var(--paper-line);}
.contact-item svg{width:20px;height:20px;stroke:var(--red);fill:none;stroke-width:1.6;flex:none;margin-top:2px;}
.contact-item b{display:block;font-family:var(--ff-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:4px;}
.contact-item a,.contact-item span.val{font-size:15.5px;color:var(--navy-dark);font-weight:500;}
.contact-item a:hover{color:var(--red);}
.contact-ctas{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}

.contact-form{background:var(--white);border:1px solid var(--paper-line);border-radius:6px;padding:36px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1/-1;}
.field label{font-family:var(--ff-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);}
.field input,.field textarea{
  border:1.5px solid var(--paper-line);border-radius:3px;padding:11px 13px;font-family:var(--ff-body);
  font-size:14.5px;color:var(--ink);background:var(--paper);resize:vertical;transition:border-color .2s ease;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--navy);}
.form-note{font-size:12.5px;color:var(--steel);margin-top:14px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}.form-row{grid-template-columns:1fr;}}

/* ---------- Footer ---------- */
footer{background:var(--navy-dark);padding:52px 0 26px;}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .brand-text{font-size:19px;}
.footer-tag{color:rgba(255,255,255,.5);font-size:13.5px;margin-top:10px;max-width:34ch;line-height:1.6;}
.footer-links{display:flex;gap:56px;flex-wrap:wrap;}
.footer-col h5{font-family:var(--ff-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.45);margin-bottom:14px;}
.footer-col a,.footer-col span{display:block;font-size:14px;color:rgba(255,255,255,.75);margin-bottom:10px;}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{display:flex;justify-content:space-between;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.4);flex-wrap:wrap;gap:10px;}

@media (max-width:900px){
  .hero-inner{min-height:320px;}
  .about-grid{grid-template-columns:1fr;}
  .about-points{grid-template-columns:1fr;}
}