/* ==========================================================================
   AARK Consultant & Engineers — Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --navy: #0a2540;
  --navy-soft: #123563;
  --blue: #164a8a;
  --blue-light: #1f6fd6;
  --orange: #f2711c;
  --orange-dark: #d85e0e;
  --orange-light: #ffb347;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #101a2b;
  --ink-soft: #55627a;
  --ink-faint: #8592a8;
  --border: #e3e8f0;
  --radius-s: 6px;
  --radius-m: 10px;
  --shadow: 0 12px 30px -14px rgba(10,37,64,0.25);
  --maxw: 1180px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100dvh;          /* dynamic viewport height - mobile browser bar ke hisaab se adjust hota hai */
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 28px 28px; /* top padding header ki height jitni, taaki menu header ke neeche se shuru ho */
    gap: 22px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    z-index: 150;            /* header se bhi upar, taaki kuch overlap na kare */
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1.05rem;
    width: 100%;
  }

  .nav-actions {
    display: none;   /* mobile pe WhatsApp button ko nav-links ke andar hi rakhna behtar hoga, alag se dikhayein */
  }

  body.menu-open {
    overflow: hidden;   /* menu khula ho toh background scroll na ho */
  }
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html, body{
  overflow-x:hidden;
  max-width:100%;
}
body{
  margin:0;
  font-family:'Inter', Arial, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
img, svg, iframe, video{max-width:100%;}
h1,h2,h3,h4{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:700;
  color:var(--navy);
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:.2px;
}
h1{font-size:clamp(2.4rem, 4.6vw, 3.8rem);}
h2{font-size:clamp(1.9rem, 3.2vw, 2.6rem);}
h3{font-size:1.4rem;}
p{margin:0 0 1em; color:var(--ink-soft); max-width:64ch;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{margin:0; padding:0; list-style:none;}
:focus-visible{outline:3px solid var(--orange); outline-offset:2px;}

.container{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
.section-navy{background:var(--navy); color:#fff;}
.section-navy p{color:#c7d3e6;}
.section-navy h2, .section-navy h3{color:#fff;}

.eyebrow{
  color:var(--orange-dark);
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:600;
  font-size:1rem;
  margin-bottom:10px;
  display:inline-block;
}
.section-head{max-width:640px; margin-bottom:48px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}
.section-head.center p{margin-left:auto; margin-right:auto;}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 28px;
  border-radius:var(--radius-s);
  font-weight:600;
  font-size:.98rem;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--orange); color:#fff;}
.btn-primary:hover{background:var(--orange-dark); box-shadow:0 10px 22px -10px rgba(242,113,28,.55);}
.btn-outline{border-color:rgba(255,255,255,.55); color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-navy{background:var(--navy); color:#fff;}
.btn-navy:hover{background:var(--navy-soft);}
.btn-ghost{border-color:var(--border); color:var(--navy);}
.btn-ghost:hover{border-color:var(--blue); color:var(--blue);}
.btn-block{width:100%; justify-content:center;}
.btn svg{width:18px; height:18px; flex:none;}

/* ---------------- Header / Nav ---------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
}
.brand{display:flex; align-items:center;}
.brand img{height:40px; width:auto;}
.nav-links{display:flex; align-items:center; gap:34px;}
.nav-links a{
  font-weight:600; font-size:.96rem; color:var(--ink);
  position:relative; padding:6px 0;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--orange); transform:scaleX(0); transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--blue);}
.nav-actions{display:flex; align-items:center; gap:14px;}
.nav-whatsapp{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--navy); color:#fff; padding:10px 18px;
  border-radius:var(--radius-s); font-weight:600; font-size:.92rem;
}
.nav-whatsapp:hover{background:var(--orange); }
.nav-whatsapp svg{width:18px; height:18px;}
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer;
  width:40px; height:40px; position:relative;
}
.nav-toggle span{
  position:absolute; left:8px; right:8px; height:2px; background:var(--navy);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:13px;}
.nav-toggle span:nth-child(2){top:19px;}
.nav-toggle span:nth-child(3){top:25px;}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------------- Hero ---------------- */
.hero{
  position:relative; overflow:hidden;
  background:linear-gradient(160deg, var(--navy) 0%, var(--navy-soft) 46%, var(--blue) 100%);
  color:#fff;
  padding:110px 0 130px;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(242,113,28,.35), transparent 42%),
    radial-gradient(circle at 95% 70%, rgba(31,111,214,.35), transparent 45%);
  pointer-events:none;
}
.hero-grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center;
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.22);
  padding:7px 16px; border-radius:100px; font-size:.85rem; font-weight:600;
  color:#ffd9b3; margin-bottom:22px;
}
.hero h1{color:#fff; max-width:12ch;}
.hero h1 span{color:var(--orange-light);}
.hero p.lead{color:#d6e0f0; font-size:1.14rem; max-width:52ch;}
.hero-ctas{display:flex; gap:16px; margin-top:32px; flex-wrap:wrap;}
.hero-stats{
  display:grid; grid-template-columns:repeat(3,1fr); gap:0;
  margin-top:56px; border-top:1px solid rgba(255,255,255,.18); padding-top:28px;
  max-width:560px;
}
.hero-stats div{padding-right:20px;}
.hero-stats strong{
  display:block; font-family:'Barlow Condensed',sans-serif; font-size:2.1rem; color:#fff;
}
.hero-stats span{font-size:.85rem; color:#aebede;}

.hero-panel{
  position:relative; background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18); border-radius:var(--radius-m);
  padding:30px; backdrop-filter:blur(6px);
}
.hero-panel h3{color:#fff; font-size:1.2rem; margin-bottom:18px;}
.hero-panel-list{display:flex; flex-direction:column; gap:14px;}
.hero-panel-list li{
  display:flex; align-items:center; gap:12px;
  color:#e4ebf6; font-weight:500; font-size:.96rem;
  padding-bottom:14px; border-bottom:1px dashed rgba(255,255,255,.16);
}
.hero-panel-list li:last-child{border-bottom:none; padding-bottom:0;}
.hero-panel-list .dot{
  width:9px; height:9px; border-radius:50%; background:var(--orange); flex:none;
}

/* ---------------- Cards / grids ---------------- */
.grid{display:grid; gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-m); padding:32px 28px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.card:hover{border-color:var(--blue-light); box-shadow:var(--shadow);}
.card .icon{
  width:52px; height:52px; border-radius:12px;
  background:linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
}
.card .icon.orange{background:linear-gradient(135deg, var(--orange) 0%, var(--orange-light) 100%);}
.card .icon svg{width:26px; height:26px; stroke:#fff;}
.card h3{margin-bottom:10px; font-size:1.28rem;}
.card ul{margin-top:14px;}
.card ul li{
  position:relative; padding-left:20px; margin-bottom:9px;
  color:var(--ink-soft); font-size:.95rem;
}
.card ul li::before{
  content:""; position:absolute; left:0; top:8px;
  width:7px; height:7px; background:var(--orange); border-radius:50%;
}
.card-link{
  display:inline-flex; align-items:center; gap:6px; margin-top:16px;
  font-weight:600; color:var(--blue); font-size:.92rem;
}
.card-link svg{width:15px; height:15px; transition:transform .15s ease;}
.card:hover .card-link svg{transform:translateX(4px);}

/* Sector tiles (photo-style using gradient + icon since no stock photos bundled) */
.sector-tile{
  position:relative; border-radius:var(--radius-m); overflow:hidden;
  aspect-ratio:4/3; color:#fff; display:flex; flex-direction:column; justify-content:flex-end;
  padding:22px; background:linear-gradient(150deg,#0a2540,#164a8a);
}
.sector-tile::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,0) 60%);
}
.sector-tile span, .sector-tile h4{position:relative; z-index:1;}
.sector-tile span{font-size:.78rem; letter-spacing:.5px; color:var(--orange-light); font-weight:600;}
.sector-tile h4{font-family:'Barlow Condensed',sans-serif; font-size:1.35rem; color:#fff; margin:2px 0 0;}
.sector-tile.t1{background:linear-gradient(150deg,#0a2540,#1f6fd6);}
.sector-tile.t2{background:linear-gradient(150deg,#123563,#f2711c);}
.sector-tile.t3{background:linear-gradient(150deg,#0a2540,#4c7fc9);}
.sector-tile.t4{background:linear-gradient(150deg,#d85e0e,#164a8a);}
.sector-tile.t5{background:linear-gradient(150deg,#0a2540,#2c6fc4);}
.sector-tile.t6{background:linear-gradient(150deg,#164a8a,#f2711c);}

/* ---------------- Stats strip ---------------- */
.stats-strip{
  background:var(--navy); color:#fff; padding:44px 0;
}
.stats-strip .grid-4{gap:20px; text-align:center;}
.stats-strip strong{
  display:block; font-family:'Barlow Condensed',sans-serif; font-size:2.6rem; color:var(--orange-light);
}
.stats-strip span{color:#c7d3e6; font-size:.9rem;}

/* ---------------- Timeline (About) ---------------- */
.timeline{border-left:2px solid var(--border); margin-left:8px; padding-left:32px;}
.timeline-item{position:relative; padding-bottom:34px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:""; position:absolute; left:-40px; top:4px;
  width:14px; height:14px; border-radius:50%; background:var(--orange);
  border:3px solid var(--surface); box-shadow:0 0 0 2px var(--orange);
}
.timeline-item h4{margin-bottom:6px; font-size:1.15rem; color:var(--navy);}

/* ---------------- Values / Mission Vision ---------------- */
.mv-card{
  background:var(--surface); border-radius:var(--radius-m); border:1px solid var(--border);
  padding:34px; position:relative; overflow:hidden;
}
.mv-card::before{
  content:""; position:absolute; top:0; left:0; width:5px; height:100%;
  background:var(--orange);
}
.mv-card.blue::before{background:var(--blue);}

/* ---------------- Client list ---------------- */
.client-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-s);
  padding:20px 22px; display:flex; flex-direction:column; gap:4px;
  transition:border-color .15s ease, transform .15s ease;
}
.client-card:hover{border-color:var(--orange); transform:translateY(-3px);}
.client-card strong{font-size:1.02rem; color:var(--navy);}
.client-card span{font-size:.86rem; color:var(--ink-faint);}
.client-badge{
  display:inline-block; font-size:.7rem; font-weight:700; letter-spacing:.5px;
  color:var(--blue); background:#eaf1fc; padding:3px 9px; border-radius:100px; margin-bottom:8px; width:fit-content;
}

/* ---------------- CTA banner ---------------- */
.cta-banner{
  background:linear-gradient(120deg, var(--orange) 0%, var(--orange-dark) 100%);
  border-radius:var(--radius-m); padding:50px 48px;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
  color:#fff;
}
.cta-banner h3{color:#fff; margin-bottom:6px; font-size:1.7rem;}
.cta-banner p{color:#ffe6d1; margin:0;}

/* ---------------- Service rows (image + content) ---------------- */
.service-row{
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;
}
.service-row.reverse .service-media{order:2;}
.service-row.reverse .service-content{order:1;}
.service-media{
  position:relative; border-radius:var(--radius-m); overflow:hidden;
  box-shadow:var(--shadow); border:1px solid var(--border);
}
.service-media img{width:100%; height:100%; display:block;}
.service-index{
  position:absolute; top:18px; left:18px;
  width:44px; height:44px; border-radius:50%;
  background:rgba(10,37,64,.85); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:'Barlow Condensed', sans-serif; font-weight:700; font-size:1.2rem;
}
.service-content .icon{margin-bottom:20px;}
.service-list{margin-top:20px;}
.service-list li{
  position:relative; padding-left:24px; margin-bottom:13px;
  color:var(--ink-soft); font-size:.98rem;
}
.service-list li::before{
  content:""; position:absolute; left:0; top:8px;
  width:8px; height:8px; background:var(--orange); border-radius:50%;
}

/* ---------------- Contact page ---------------- */
.contact-grid{display:grid; grid-template-columns:.95fr 1.05fr; gap:44px; align-items:start;}
.office-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-m);
  padding:26px; margin-bottom:18px;
}
.office-card strong{color:var(--navy); font-size:1.05rem; display:block; margin-bottom:6px;}
.office-card p{margin:0; font-size:.93rem;}
.contact-info-row{display:flex; align-items:center; gap:12px; margin-bottom:14px;}
.contact-info-row .ic{
  width:38px; height:38px; border-radius:9px; background:#eaf1fc; display:flex; align-items:center; justify-content:center; flex:none;
}
.contact-info-row .ic svg{width:18px; height:18px; stroke:var(--blue);}
.contact-info-row a, .contact-info-row span{font-weight:600; color:var(--navy); font-size:.95rem;}

.form-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-m); padding:36px;
}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px;}
.field{display:flex; flex-direction:column; gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:.86rem; font-weight:600; color:var(--navy);}
.field input, .field select, .field textarea{
  border:1px solid var(--border); border-radius:var(--radius-s);
  padding:12px 14px; font-family:inherit; font-size:.95rem; color:var(--ink);
  background:#fbfcfe;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--blue-light); box-shadow:0 0 0 3px rgba(31,111,214,.14);
}
.field textarea{resize:vertical; min-height:110px;}
.form-note{font-size:.82rem; color:var(--ink-faint); margin-top:10px;}
.map-frame{
  border:1px solid var(--border); border-radius:var(--radius-m); overflow:hidden; margin-top:22px;
}
.map-frame iframe{width:100%; height:280px; border:0; display:block;}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--navy); color:#c7d3e6; padding:64px 0 0;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:36px; padding-bottom:44px;}
.footer-brand img{height:38px; margin-bottom:16px; filter:brightness(0) invert(1);}
.footer-brand p{color:#93a3bd; font-size:.9rem;}
.footer-col h4{color:#fff; font-size:1.02rem; margin-bottom:16px; font-family:'Inter',sans-serif; font-weight:700;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{color:#c7d3e6; font-size:.92rem;}
.footer-col a:hover{color:var(--orange-light);}
.footer-social{display:flex; gap:10px; margin-top:16px;}
.footer-social a{
  width:36px; height:36px; border-radius:50%; border:1px solid rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center;
}
.footer-social a:hover{background:var(--orange); border-color:var(--orange);}
.footer-social svg{width:16px; height:16px; stroke:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding:22px 0; font-size:.85rem;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; color:#8fa0bc;
}

/* ---------------- WhatsApp floating button ---------------- */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:200;
  width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 28px -8px rgba(37,211,102,.6);
  transition:transform .15s ease;
}
.wa-float:hover{transform:scale(1.07);}
.wa-float svg{width:30px; height:30px; fill:#fff;}

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero{
  background:linear-gradient(150deg, var(--navy) 0%, var(--blue) 100%);
  color:#fff; padding:70px 0 60px; position:relative; overflow:hidden;
}
.page-hero::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 88% 20%, rgba(242,113,28,.32), transparent 45%);
}
.page-hero .container{position:relative; z-index:1;}
.breadcrumb{color:#aebede; font-size:.88rem; margin-bottom:14px;}
.breadcrumb a{color:#dbe4f2;}
.breadcrumb a:hover{color:var(--orange-light);}
.page-hero h1{color:#fff; max-width:20ch;}
.page-hero p{color:#d6e0f0; max-width:56ch;}

/* ---------------- Utility ---------------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.mb-0{margin-bottom:0;}

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-panel{order:-1;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .service-row{grid-template-columns:1fr; gap:32px;}
  .service-row .service-media, .service-row.reverse .service-media{order:-1;}
  .service-row .service-content, .service-row.reverse .service-content{order:2;}
}
@media (max-width: 720px){
  .nav-links{
    position:fixed; top:66px; left:0; width:100%; bottom:0;
    background:#fff; flex-direction:column; align-items:flex-start;
    padding:28px; gap:22px; transform:translateX(100%);
    transition:transform .25s ease; overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  .nav-whatsapp span{display:none;}
  .grid-3, .grid-2, .grid-4{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(3,1fr); gap:10px;}
  .hero-stats div{padding-right:8px;}
  .section{padding:60px 0;}
  .cta-banner{flex-direction:column; align-items:flex-start; text-align:left;}
  .footer-bottom{flex-direction:column; align-items:flex-start;}
}

@media (max-width: 420px){
  .hero{padding:90px 0 100px;}
  .container{padding:20px 18px;}
  .cta-banner{padding:34px 26px;}
  .form-card{padding:26px 20px;}
}