/* =========================================================
   PANCHJANYA INFRA VENTURE — CORE STYLESHEET
========================================================= */

:root{
  --primary:#0A73BB;
  --primary-dark:#085C98;

  --secondary:#F58220;
  --secondary-dark:#E66F12;

  --white:#FFFFFF;
  --light:#F7F8FA;

  --text:#222222;
  --text-light:#666666;

  --border:#E5E7EB;

  --success:#2E8B57;
  --danger:#E53935;

  --font-head:'Poppins', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-num:'Manrope', sans-serif;

  --container: 1240px;
  --nav-h: 84px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-body);
  color:var(--text);
  background:var(--white);
  line-height:1.6;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
a{ text-decoration:none; color:inherit; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
h1,h2,h3,h4{ font-family:var(--font-head); font-weight:600; line-height:1.2; color:var(--text); }

.section-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.eyebrow{
  display:inline-block;
  font-family:var(--font-num);
  font-weight:700;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--secondary);
  margin-bottom:14px;
}
.eyebrow.center{ display:block; text-align:center; }
h2.center{ text-align:center; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 30px;
  border-radius:6px;
  font-family:var(--font-head);
  font-weight:600;
  font-size:15px;
  transition:all .3s var(--ease);
}
.btn-primary{ background:var(--secondary); color:var(--white); }
.btn-primary:hover{ background:var(--secondary-dark); transform:translateY(-3px); box-shadow:0 12px 24px rgba(245,130,32,.28); }
.btn-secondary{ background:var(--primary); color:var(--white); }
.btn-secondary:hover{ background:var(--primary-dark); transform:translateY(-3px); box-shadow:0 12px 24px rgba(10,115,187,.28); }

/* =========================================================
   PRELOADER
========================================================= */
.preloader{
  position:fixed; inset:0; z-index:9999;
  background:var(--white);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
.preloader.done{ opacity:0; visibility:hidden; }
.preloader-mark{ text-align:center; }
.preloader-logo{
  height:56px; width:auto; margin:0 auto 18px;
  animation:preloaderPulse 1.4s ease-in-out infinite;
}
@keyframes preloaderPulse{
  0%, 100%{ transform:scale(1); opacity:1; }
  50%{ transform:scale(1.06); opacity:.85; }
}
.preloader-bar{ width:160px; height:3px; background:var(--border); margin-top:16px; border-radius:3px; overflow:hidden; }
.preloader-fill{ width:0%; height:100%; background:var(--secondary); animation:loadfill 1.1s var(--ease) forwards; }
@keyframes loadfill{ to{ width:100%; } }

/* =========================================================
   NAVBAR
========================================================= */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height:var(--nav-h);
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow .3s var(--ease), height .3s var(--ease);
}
.navbar.scrolled{
  height:70px;
  box-shadow:0 4px 24px rgba(0,0,0,.06);
  border-bottom-color:var(--border);
}
.nav-inner{
  max-width:var(--container);
  margin:0 auto;
  height:100%;
  padding:0 32px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand-logo{ height:44px; width:auto; transition:height .3s var(--ease); }
.navbar.scrolled .brand-logo{ height:38px; }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  color:var(--text); font-weight:500; font-size:15px;
  position:relative; padding:6px 0;
  transition:color .25s var(--ease);
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--secondary); transition:width .3s var(--ease);
}
.nav-links a:hover, .nav-links a.active{ color:var(--secondary); }
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }
.nav-cta{ padding:12px 24px !important; }
.nav-cta::after{ display:none; }
.nav-cta:hover{ color:var(--white) !important; }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; width:32px; z-index:1100;
}
.nav-toggle span{
  height:2px; width:100%; background:var(--text); border-radius:2px;
  transition:all .35s var(--ease);
}
.nav-toggle.active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.nav-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.4);
  opacity:0; visibility:hidden; transition:all .35s var(--ease); z-index:998;
}
.nav-overlay.active{ opacity:1; visibility:visible; }

/* =========================================================
   HERO
========================================================= */
.hero{
  position:relative; height:100vh; min-height:560px; overflow:hidden;
  background:var(--text);
}
.hero-slide{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:0; transform:scale(1.12);
  transition:opacity 1.4s ease;
}
.hero-slide.active{
  opacity:1; animation:kenburns 9s ease-in-out forwards;
}
@keyframes kenburns{
  0%{ transform:scale(1.12); }
  100%{ transform:scale(1); }
}
.hero-overlay{
  position:absolute; inset:0;
  background:transparent;
}
.hero-dots{
  position:absolute; bottom:38px; left:50%; transform:translateX(-50%);
  display:flex; gap:10px; z-index:5;
}
.hero-dots span{
  width:9px; height:9px; border-radius:50%;
  background:rgba(255,255,255,.5);
  cursor:pointer; transition:all .3s var(--ease);
}
.hero-dots span.active{ background:var(--secondary); width:26px; border-radius:5px; }

/* =========================================================
   NEWS TICKER STRIP
========================================================= */
.ticker-strip{
  display:flex; align-items:stretch;
  background:var(--white);
  border-bottom:1px solid var(--border);
  position:relative; z-index:5;
}
.ticker-label{
  display:flex; align-items:center; gap:8px;
  background:var(--secondary); color:var(--white);
  font-family:var(--font-head); font-weight:600; font-size:13px;
  letter-spacing:.06em; text-transform:uppercase;
  padding:14px 22px; white-space:nowrap;
}
.ticker-track-wrap{ flex:1; overflow:hidden; display:flex; align-items:center; }
.ticker-track{ display:flex; gap:0; white-space:nowrap; animation:ticker 26s linear infinite; }
.ticker-item{
  padding:14px 40px; font-size:14px; color:var(--text-light);
  border-right:1px solid var(--border); white-space:nowrap;
}
@keyframes ticker{
  0%{ transform:translateX(0); }
  100%{ transform:translateX(-50%); }
}

/* =========================================================
   REVEAL ON SCROLL
========================================================= */
.reveal{ opacity:0; transform:translateY(36px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* =========================================================
   ABOUT
========================================================= */
.about{ padding:110px 0; background:var(--white); }
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:center; }
.about-copy h2{ font-size:38px; margin-bottom:20px; }
.about-copy .lead{ color:var(--text-light); font-size:16px; margin-bottom:26px; }
.about-points li{
  display:flex; align-items:center; gap:12px;
  font-size:15px; font-weight:500; margin-bottom:14px;
}
.about-points i{
  width:38px; height:38px; flex:none; border-radius:50%;
  background:var(--light); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
}
.about-copy .btn{ margin-top:14px; }

.about-gallery{
  display:grid; grid-template-columns:1.1fr 1fr; grid-template-rows:1fr 1fr; gap:18px;
}
.gal-img{ border-radius:10px; overflow:hidden; position:relative; box-shadow:0 20px 44px rgba(10,30,60,.14); }
.gal-img.big{ grid-row:1/3; }
.gal-img img{
  width:100%; height:100%; object-fit:cover;
  filter:grayscale(1) contrast(1.02);
  transform:scale(1.02);
  transition:filter .6s var(--ease), transform .8s var(--ease);
}
.gal-img:hover img{ filter:grayscale(0); transform:scale(1.12); }

/* =========================================================
   PHILOSOPHY
========================================================= */
.philosophy{ padding:110px 0; background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); }
.philosophy .eyebrow{ color:var(--secondary); }
.philosophy h2{ font-size:34px; margin-bottom:50px; color:var(--white); }
.philosophy-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:26px; }
.phil-card{
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.16); border-radius:12px;
  padding:36px 26px; text-align:center;
  transition:all .35s var(--ease);
}
.phil-card:hover{
  border-color:var(--secondary); transform:translateY(-8px);
  background:rgba(255,255,255,.12);
  box-shadow:0 20px 40px rgba(0,0,0,.18);
}
.phil-card i{
  font-size:30px; color:var(--secondary); margin-bottom:18px;
  display:inline-block; transition:color .3s;
}
.phil-card:hover i{ color:var(--white); }
.phil-card h3{ font-size:18px; margin-bottom:10px; color:var(--white); }
.phil-card p{ font-size:14px; color:rgba(255,255,255,.78); }

/* =========================================================
   CLIENTS MARQUEE
========================================================= */
.clients{ padding:100px 0 90px; background:var(--white); }
.clients h2{ font-size:30px; margin-bottom:44px; }
.clients-marquee-wrap{ overflow:hidden; padding:10px 0; -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.clients-track{ display:flex; align-items:center; gap:50px; width:max-content; animation:clientsmove 24s linear infinite; }
.client-logo{
  display:flex; align-items:center; justify-content:center;
  width:150px; height:80px; flex:none;
  background:var(--white); border:1px solid var(--border); border-radius:10px;
  padding:14px 18px;
  filter:grayscale(1) opacity(.75); transition:all .3s;
}
.client-logo:hover{ filter:grayscale(0) opacity(1); border-color:var(--secondary); }
.client-logo img{ width:100%; height:100%; object-fit:contain; }
@keyframes clientsmove{ 0%{ transform:translateX(0); } 100%{ transform:translateX(-50%); } }

/* =========================================================
   MILESTONE
========================================================= */
.milestone{ padding:110px 0; background:var(--light); }
.milestone-grid{ display:grid; grid-template-columns:0.8fr 1.2fr; gap:60px; align-items:start; }
.milestone-title h2{
  font-family:var(--font-num); font-weight:800; font-size:46px;
  color:#D8DCE2; letter-spacing:1px;
}
.milestone-title .dot{ color:var(--secondary); }
.milestone-title p{ color:var(--text-light); margin:14px 0 26px; }
.milestone-nav{ display:flex; gap:10px; }
.milestone-nav button{
  width:44px; height:44px; border-radius:50%; border:1px solid var(--border);
  background:var(--white); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
  transition:all .3s var(--ease);
}
.milestone-nav button:hover{ background:var(--secondary); color:var(--white); border-color:var(--secondary); }

.milestone-years{ display:flex; gap:28px; border-bottom:1px solid var(--border); margin-bottom:30px; }
.ms-year{
  font-family:var(--font-num); font-weight:700; font-size:16px;
  color:var(--text-light); padding:0 0 16px; position:relative;
  transition:color .3s;
}
.ms-year::after{
  content:''; position:absolute; left:0; bottom:-1px; width:100%; height:2px;
  background:var(--secondary); transform:scaleX(0); transform-origin:left; transition:transform .35s var(--ease);
}
.ms-year.active{ color:var(--secondary); }
.ms-year.active::after{ transform:scaleX(1); }

.milestone-track{ position:relative; min-height:140px; margin-bottom:30px; }
.ms-slide{
  position:absolute; inset:0; opacity:0; transform:translateX(24px);
  transition:opacity .5s var(--ease), transform .5s var(--ease); pointer-events:none;
}
.ms-slide.active{ opacity:1; transform:translateX(0); pointer-events:auto; position:relative; }
.ms-slide h3{ font-size:22px; margin-bottom:12px; }
.ms-slide p{ color:var(--text-light); max-width:560px; }

/* =========================================================
   FOOTER
========================================================= */
.site-footer{
  background:var(--primary); color:var(--white); padding-top:80px;
  position:relative; overflow:hidden;
}
.site-footer::before{
  content:''; position:absolute; top:-1px; left:0; width:100%; height:64px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 100' preserveAspectRatio='none'%3E%3Cpath d='M0,40 C300,100 900,0 1200,50 L1200,100 L0,100 Z' fill='%230A73BB'/%3E%3C/svg%3E");
  background-size:100% 100%; background-repeat:no-repeat;
  transform:translateY(-100%);
}
.site-footer::after{
  content:''; position:absolute; inset:0; opacity:.06; pointer-events:none;
  background-image:radial-gradient(circle at 2px 2px, #FFFFFF 1.4px, transparent 0);
  background-size:26px 26px;
}
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:50px; padding-bottom:50px; position:relative; z-index:1; }
.footer-logo{
  height:auto; width:150px; margin-bottom:18px;
  background:var(--white); border-radius:10px; padding:12px 16px;
  box-shadow:0 10px 24px rgba(0,0,0,.18);
}
.footer-brand p{ color:rgba(255,255,255,.78); font-size:14px; max-width:340px; margin-bottom:22px; }
.footer-social{ display:flex; gap:12px; }
.footer-social a{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.3);
  display:flex; align-items:center; justify-content:center;
  transition:all .3s var(--ease);
}
.footer-social a:hover{ background:var(--secondary); border-color:var(--secondary); transform:translateY(-4px); }

.footer-col h4{ color:var(--white); font-size:16px; margin-bottom:20px; }
.footer-col a{
  display:block; color:rgba(255,255,255,.78); font-size:14px; margin-bottom:13px;
  transition:color .25s, transform .25s;
}
.footer-col a:hover{ color:var(--secondary); transform:translateX(4px); }
.footer-col a i{ width:18px; }

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.18); padding:22px 32px;
  text-align:center; font-size:13px; color:rgba(255,255,255,.75);
  position:relative; z-index:1;
}
.footer-bottom a{ color:var(--white); font-weight:600; text-decoration:underline; }

/* =========================================================
   SCROLL TOP
========================================================= */
.scroll-top{
  position:fixed; right:26px; bottom:26px; width:48px; height:48px; border-radius:50%;
  background:var(--secondary); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transform:translateY(12px);
  transition:all .35s var(--ease); z-index:500; box-shadow:0 10px 24px rgba(0,0,0,.2);
}
.scroll-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.scroll-top:hover{ background:var(--secondary-dark); }

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width:1024px){
  .about-grid{ grid-template-columns:1fr; gap:50px; }
  .about-gallery{ order:-1; }
  .philosophy-grid{ grid-template-columns:repeat(2,1fr); }
  .milestone-grid{ grid-template-columns:1fr; gap:30px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width:1180px){
  .nav-toggle{ display:flex; }
  .nav-links{
    position:fixed; top:0; right:0; height:100vh; width:min(320px,82vw);
    background:var(--white); flex-direction:column; align-items:flex-start;
    padding:110px 30px 40px; gap:22px;
    transform:translateX(100%); transition:transform .4s var(--ease);
    z-index:1050; box-shadow:-10px 0 40px rgba(0,0,0,.12);
  }
  .nav-links.active{ transform:translateX(0); }
  .nav-cta{ margin-top:10px; }
  .hero{ height:88vh; }
}

@media (max-width:640px){
  .section-inner{ padding:0 20px; }
  .about, .philosophy, .clients, .milestone{ padding:70px 0; }
  .about-copy h2{ font-size:28px; }
  .philosophy h2{ font-size:26px; }
  .philosophy-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; padding-bottom:30px; }
  .ticker-label{ padding:10px 14px; font-size:11px; }
  .ticker-item{ padding:10px 22px; font-size:13px; }
  .milestone-years{ gap:16px; overflow-x:auto; }

  /* About gallery: stack into a single column so images don't get squeezed on narrow phones */
  .about-gallery{
    grid-template-columns:1fr; grid-template-rows:none; gap:14px;
  }
  .gal-img.big{ grid-row:auto; }
  .gal-img img{ aspect-ratio:16/11; }

  /* Milestone heading was oversized on small screens */
  .milestone-title h2{ font-size:32px; }

  /* Hero dots sit closer to the edge on short mobile viewports */
  .hero-dots{ bottom:20px; }
  .hero{ min-height:480px; }
}

@media (max-width:400px){
  .brand-logo{ height:36px; }
  .nav-cta{ padding:10px 16px !important; font-size:13px; }
  .about-copy h2{ font-size:24px; }
}