/* =========================================================
   Opstree Solutions Pvt Ltd - Master Stylesheet
   ========================================================= */

:root{
  --ink:#0A0B0D;
  --graphite:#131519;
  --steel:#22262E;
  --line:rgba(201,206,214,.16);
  --silver:#C9CED6;
  --mist:#8B93A0;
  --paper:#F3F4F6;
  --white:#FFFFFF;
  --brass:#E8A33D;
  --brass-dark:#C4832A;
  --wrap:1200px;
  --r:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--white);
  color:#1B1E24;
  font-family:"IBM Plex Sans","Segoe UI",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

h1,h2,h3,h4{
  font-family:"Archivo","Arial Black",sans-serif;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.12;
  margin:0 0 18px;
  color:#0F1116;
}
h1{font-size:clamp(2.1rem,5vw,3.7rem);}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);}
h3{font-size:1.22rem;letter-spacing:-.01em;}
p{margin:0 0 18px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:70px 0;}
.section--paper{background:var(--paper);}
.section--ink{background:var(--ink);color:var(--silver);}
.section--ink h2,.section--ink h3{color:#fff;}
.center{text-align:center;}
.center .eyebrow{justify-content:center;}
.lead{font-size:1.09rem;color:#414852;max-width:62ch;}
.section--ink .lead{color:var(--mist);}
.center .lead{margin-left:auto;margin-right:auto;}

/* --- brand bars motif (echoes the three bars in the logo E) --- */
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-family:"Michroma",Arial,sans-serif;
  font-size:.63rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--brass);margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:26px;height:9px;flex:none;
  background:linear-gradient(var(--brass) 0 2px,transparent 2px 4px,var(--brass) 4px 6px,transparent 6px 7px,var(--brass) 7px 9px);
}

/* ------------------ buttons ------------------ */
.btn{
  display:inline-block;padding:15px 30px;border-radius:var(--r);
  font-family:"Archivo",sans-serif;font-weight:700;font-size:.86rem;
  letter-spacing:.09em;text-transform:uppercase;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s;
  border:1px solid transparent;cursor:pointer;
}
.btn:hover{transform:translateY(-2px);}
.btn--brass{background:var(--brass);color:#14161A;}
.btn--brass:hover{background:#F5B458;}
.btn--ghost{border-color:rgba(255,255,255,.32);color:#fff;}
.btn--ghost:hover{border-color:var(--brass);color:var(--brass);}
.btn--dark{background:var(--ink);color:#fff;}
.btn--dark:hover{background:var(--steel);}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}

/* ------------------ header ------------------ */
.topbar{
  background:#06070A;color:var(--mist);
  font-size:.8rem;border-bottom:1px solid rgba(255,255,255,.07);
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:44px;flex-wrap:wrap;}
.topbar a:hover{color:var(--brass);}
.topbar .tb-right{display:flex;gap:22px;flex-wrap:wrap;}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,11,13,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:86px;gap:20px;}
.brand img{height:46px;width:auto;}
.nav-links{display:flex;align-items:center;gap:34px;list-style:none;margin:0;padding:0;}
.nav-links a{
  color:#D7DCE3;font-size:.83rem;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;padding:8px 0;position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brass);transition:width .3s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:#fff;}
.nav-cta{display:inline-block;}
.burger{
  display:none;background:none;border:0;padding:10px;cursor:pointer;
}
.burger span{display:block;width:26px;height:2px;background:#fff;margin:5px 0;transition:.3s;}

/* ------------------ hero slider ------------------ */
.hero{position:relative;height:min(88vh,760px);min-height:520px;overflow:hidden;background:var(--ink);}
.slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.1s var(--ease);
  display:flex;align-items:center;
}
.slide.is-active{opacity:1;}
.slide__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.06);transition:transform 7s linear;
}
.slide.is-active .slide__bg{transform:scale(1);}
.slide__veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,7,10,.94) 0%,rgba(6,7,10,.82) 42%,rgba(6,7,10,.45) 100%);
}
.slide__inner{position:relative;z-index:2;max-width:720px;}
.slide h1{color:#fff;margin-bottom:20px;}
.slide h1 em{font-style:normal;color:var(--brass);}
.slide p{color:#C9CED6;font-size:1.1rem;max-width:56ch;margin-bottom:30px;}
.slider-dots{
  position:absolute;left:0;right:0;bottom:34px;z-index:5;
  display:flex;justify-content:center;gap:12px;
}
.slider-dots button{
  width:34px;height:3px;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.3);transition:background .3s;
}
.slider-dots button.is-active{background:var(--brass);}
.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:48px;height:48px;border:1px solid rgba(255,255,255,.25);
  background:rgba(0,0,0,.25);color:#fff;font-size:1.2rem;cursor:pointer;
  transition:.3s;display:grid;place-items:center;
}
.slider-arrow:hover{background:var(--brass);border-color:var(--brass);color:#14161A;}
.slider-arrow.prev{left:22px;}
.slider-arrow.next{right:22px;}

/* ------------------ page banner ------------------ */
.page-banner{
  position:relative;padding:110px 0 96px;background:var(--ink);
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(6,7,10,.95),rgba(6,7,10,.72));
}
.page-banner .wrap{position:relative;z-index:2;}
.page-banner h1{color:#fff;margin-bottom:12px;}
.page-banner p{color:var(--mist);max-width:60ch;margin:0;}
.crumb{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);margin-bottom:16px;}
.crumb a{color:var(--mist);}
.crumb a:hover{color:var(--brass);}

/* ------------------ grids ------------------ */
.grid{display:grid;gap:26px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center;}
.split--rev .split__media{order:2;}

/* ------------------ cards ------------------ */
.card{
  background:#fff;border:1px solid #E4E7EB;border-radius:var(--r);
  padding:36px 32px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:var(--brass);transition:width .4s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(15,17,22,.10);border-color:#D7DBE1;}
.card:hover::before{width:100%;}
.card h3{margin-bottom:10px;}
.card p{margin-bottom:0;color:#4B525C;font-size:.98rem;}
.card__ico{
  width:52px;height:52px;border:1px solid var(--brass);border-radius:var(--r);
  display:grid;place-items:center;margin-bottom:22px;
  font-family:"Michroma",sans-serif;font-size:.72rem;color:var(--brass);
}
.card--ink{background:var(--graphite);border-color:rgba(255,255,255,.09);}
.card--ink p{color:var(--mist);}
.card--ink:hover{box-shadow:none;border-color:rgba(232,163,61,.45);}

/* ------------------ stats ------------------ */
.stat{padding:34px 26px;border-left:1px solid var(--line);}
.stat b{
  display:block;font-family:"Archivo",sans-serif;font-weight:800;
  font-size:2.9rem;line-height:1;color:#fff;letter-spacing:-.03em;
}
.stat span{
  display:block;margin-top:10px;font-size:.76rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--mist);
}

/* ------------------ list ------------------ */
.ticks{list-style:none;margin:0 0 24px;padding:0;}
.ticks li{position:relative;padding-left:30px;margin-bottom:12px;color:#41474F;}
.ticks li::before{
  content:"";position:absolute;left:0;top:11px;width:14px;height:7px;
  background:linear-gradient(var(--brass) 0 2px,transparent 2px 3px,var(--brass) 3px 5px,transparent 5px 6px,var(--brass) 6px 7px);
}
.section--ink .ticks li{color:var(--silver);}

/* ------------------ service block ------------------ */
.svc{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center;
  padding:56px 0;border-top:1px solid #E4E7EB;
}
.svc:first-of-type{border-top:0;}
.svc--rev .svc__media{order:2;}
.svc__media img{border-radius:var(--r);width:100%;height:340px;object-fit:cover;}
.svc__tag{
  font-family:"Michroma",sans-serif;font-size:.62rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--brass);display:block;margin-bottom:14px;
}

/* ------------------ process ------------------ */
.step{padding:32px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:88px 1fr;gap:26px;}
.step b{font-family:"Michroma",sans-serif;font-size:1.05rem;color:var(--brass);}
.step p{margin:0;color:var(--mist);}

/* ------------------ cta strip ------------------ */
.cta-strip{background:var(--graphite);padding:66px 0;border-top:1px solid rgba(255,255,255,.08);}
.cta-strip .wrap{display:flex;justify-content:space-between;align-items:center;gap:34px;flex-wrap:wrap;}
.cta-strip h2{color:#fff;margin:0 0 8px;}
.cta-strip p{color:var(--mist);margin:0;}

/* ------------------ contact ------------------ */
.info{
  background:#fff;border:1px solid #E4E7EB;border-radius:var(--r);padding:34px 30px;height:100%;
}
.info h3{margin-bottom:8px;font-size:1.05rem;}
.info p,.info a{color:#4B525C;font-size:.98rem;margin:0;}
.info a:hover{color:var(--brass-dark);}
.info__ico{
  font-family:"Michroma",sans-serif;font-size:.62rem;letter-spacing:.2em;
  color:var(--brass);display:block;margin-bottom:16px;
}
.form{background:#fff;border:1px solid #E4E7EB;border-radius:var(--r);padding:40px;}
.field{margin-bottom:20px;}
.field label{
  display:block;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:#5A616B;margin-bottom:8px;font-weight:600;
}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border:1px solid #DDE1E6;border-radius:var(--r);
  font-family:inherit;font-size:.98rem;color:#1B1E24;background:#FBFBFC;
  transition:border-color .25s,background .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brass);background:#fff;
}
.field textarea{min-height:140px;resize:vertical;}
.map-frame{border:1px solid #E4E7EB;border-radius:var(--r);overflow:hidden;line-height:0;}
.map-frame iframe{width:100%;height:430px;border:0;}

/* ------------------ footer ------------------ */
.site-footer{background:#06070A;color:var(--mist);padding:76px 0 0;font-size:.95rem;}
.site-footer h4{
  color:#fff;font-family:"Archivo",sans-serif;font-size:.82rem;letter-spacing:.18em;
  text-transform:uppercase;margin:0 0 22px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;}
.foot-logo{height:44px;width:auto;margin-bottom:22px;}
.foot-list{list-style:none;margin:0;padding:0;}
.foot-list li{margin-bottom:11px;}
.foot-list a:hover{color:var(--brass);}
.foot-bottom{
  margin-top:60px;border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;font-size:.85rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom span{color:#6E7683;}

/* ------------------ reveal ------------------ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ------------------ responsive ------------------ */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr);}
  .g3{grid-template-columns:1fr;}
  .split,.svc{grid-template-columns:1fr;gap:34px;}
  .split--rev .split__media,.svc--rev .svc__media{order:0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:flex-start;gap:0;
    background:#0A0B0D;border-top:1px solid rgba(255,255,255,.08);padding:10px 24px 22px;
  }
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;border-bottom:1px solid rgba(255,255,255,.06);}
  .nav-links a{display:block;padding:15px 0;}
  .burger{display:block;}
  .nav-cta{display:none;}
  .site-header .nav{position:relative;}
}
@media(max-width:640px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .g2,.g4{grid-template-columns:1fr;}
  .hero{height:auto;min-height:0;padding:96px 0 108px;}
  .slide{position:relative;opacity:1;display:none;}
  .slide.is-active{display:flex;}
  .slider-arrow{display:none;}
  .form{padding:26px 22px;}
  .stat{border-left:0;border-top:1px solid var(--line);}
  .step{grid-template-columns:1fr;gap:10px;}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;}
  .slide__bg{transform:none;}
  .reveal{opacity:1;transform:none;}
}