/* Sikkim Logistics — shared site theme (matches index.html) */
:root{
  --navy:#1f425d; --navy-deep:#0f2940; --navy-soft:#2e5878;
  --red:#00baa3; --red-deep:#009780;
  --ink:#0b1126; --bg:#fff; --bg-soft:#f5f7fb;
  --line:#e3e8f0; --muted:#5b6478; --gold:#e0a82e;
  --shadow:0 14px 40px -18px rgba(14,24,56,.32);
  --shadow-sm:0 2px 8px rgba(14,24,56,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Roboto',system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.15}
.container{max-width:1240px;margin:0 auto;padding:0 28px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:14px}

/* PRELOADER — dotLottie animation */
#preloader{position:fixed;inset:0;z-index:9999;background:#fff;display:flex;align-items:center;justify-content:center;transition:opacity .6s ease,visibility .6s ease}
#preloader.gone{opacity:0;visibility:hidden;pointer-events:none}
#preloader .pl-svg{width:min(480px,80vw);height:auto;display:block}

/* TOP BAR */
.topbar{background:var(--navy-deep);color:#fff;font-size:13px;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar .row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;gap:24px;flex-wrap:wrap}
.topbar .info{display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.78)}
.topbar .info span{display:inline-flex;align-items:center;gap:8px}
.topbar .info svg{color:var(--red);flex:0 0 auto}
.topbar .gst em{color:var(--gold);font-style:normal;font-weight:600}

/* HEADER */
header.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
header.nav .row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:54px;width:auto}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:6px;align-items:center}
nav a{padding:10px 14px;border-radius:8px;font-weight:600;font-size:14px;color:var(--ink);transition:.2s;display:inline-flex;align-items:center;gap:6px}
nav a:hover{background:var(--bg-soft);color:var(--navy)}
nav a.active{color:#ba0000}
nav li.has-sub{position:relative}
nav li.has-sub > ul{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px;min-width:170px;box-shadow:var(--shadow);display:none;flex-direction:column;gap:2px;z-index:50}
nav li.has-sub:hover > ul,nav li.has-sub:focus-within > ul{display:flex}
nav li.has-sub > ul a{display:block;padding:9px 12px;font-size:13.5px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;font-size:13.5px;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;border:0;transition:.2s;font-family:inherit}
.btn.primary{background:#ba0000;color:#fff}
.btn.primary:hover{background:var(--red-deep);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}
.btn.navy{background:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy-deep)}
.btn.teal{background:var(--red);color:#fff}
.btn.teal:hover{background:var(--red-deep)}

/* PAGE BANNER (sub-page hero) */
.page-banner{position:relative;background:var(--navy-deep);color:#fff;overflow:hidden;padding:80px 0 90px}
.page-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 85% 20%,rgba(0,186,163,.18),transparent 60%),radial-gradient(700px 600px at 10% 90%,rgba(70,110,220,.22),transparent 65%);pointer-events:none}
.page-banner .grid-bg{position:absolute;inset:0;opacity:.08;background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(180deg,#000,transparent)}
.page-banner .inner{position:relative}
.page-banner h1{font-size:clamp(36px,5vw,60px);font-weight:800;letter-spacing:-.02em}
.page-banner h1 .accent{color:#62dfd0}
.page-banner .crumbs{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.65);font-weight:700;margin-bottom:16px}
.page-banner .crumbs a:hover{color:var(--red)}
.page-banner p.lead{margin-top:18px;color:rgba(255,255,255,.78);font-size:17px;max-width:640px}

/* SECTIONS */
.section{padding:90px 0}
.section.soft{background:var(--bg-soft)}
.section .head{text-align:center;max-width:680px;margin:0 auto 50px}
.section .head h2{font-size:clamp(28px,3.4vw,44px);color:var(--navy)}
.section .head p{color:var(--muted);font-size:16px;margin:14px 0 0}

/* GRID CARD utilities */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card-clean{background:#fff;border-radius:16px;padding:28px;border:1px solid var(--line);transition:.3s;position:relative;overflow:hidden}
.card-clean::before{content:"";position:absolute;left:0;top:0;width:0;height:3px;background:var(--red);transition:width .35s ease}
.card-clean:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card-clean:hover::before{width:100%}
.card-clean .icon-box{width:60px;height:60px;border-radius:12px;background:var(--bg-soft);display:grid;place-items:center;color:var(--navy);margin:0 0 18px;font-size:22px;transition:.3s}
.card-clean:hover .icon-box{background:var(--navy);color:#fff;transform:rotate(-6deg)}
.card-clean h3{font-size:20px;color:var(--navy);margin-bottom:8px}
.card-clean p{color:var(--muted);font-size:14px;margin:0}

/* CTA STRIP */
.cta-strip{background:linear-gradient(120deg,var(--navy-deep),var(--navy));color:#fff;padding:60px 0;position:relative;overflow:hidden}
.cta-strip::before{content:"";position:absolute;right:-100px;top:50%;transform:translateY(-50%);width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(0,186,163,.18),transparent 70%)}
.cta-strip .row{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative}
.cta-strip h2{font-size:clamp(24px,3vw,38px);max-width:680px}
.cta-strip h2 em{color:#62dfd0;font-style:normal}

/* FOOTER */
footer.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.7);padding:70px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
footer.site-footer h5{color:#fff;font-size:13px;letter-spacing:.18em;text-transform:uppercase;margin:0 0 18px;font-weight:700}
footer.site-footer ul{list-style:none;padding:0;margin:0}
footer.site-footer ul li{margin-bottom:9px;font-size:14px}
footer.site-footer ul a:hover{color:#fff}
footer.site-footer .brand-mini img{height:46px;background:#fff;padding:8px;border-radius:8px;width:auto}
footer.site-footer p{font-size:14px;line-height:1.7;margin:16px 0 0}
footer.site-footer .legal{margin-top:50px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:13px}
footer.site-footer .legal a{color:#fff;font-weight:600}
footer.site-footer .social-row{display:flex;gap:12px;margin-top:18px}
footer.site-footer .social-row a{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff;transition:.2s}
footer.site-footer .social-row a:hover{background:var(--red);transform:translateY(-2px)}

/* FLOAT BTN */
.float-btn{position:fixed;right:22px;bottom:22px;z-index:90;background:#ba0000;color:#fff;border:0;border-radius:99px;padding:14px 22px;font-weight:700;letter-spacing:.06em;font-size:13px;text-transform:uppercase;cursor:pointer;display:inline-flex;align-items:center;gap:10px;box-shadow:0 18px 40px -10px rgba(0,186,163,.55);transition:.2s;font-family:inherit;text-decoration:none}
.float-btn:hover{background:var(--red-deep);transform:translateY(-2px)}
.float-btn .ring{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.35);animation:ringPulse 1.6s ease-in-out infinite}
@keyframes ringPulse{0%,100%{box-shadow:0 0 0 4px rgba(255,255,255,.35)}50%{box-shadow:0 0 0 8px rgba(255,255,255,0)}}

/* REVEAL */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}

/* FORMS */
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row{display:flex;flex-direction:column;gap:6px}
.form-row.full{grid-column:1/-1}
.form-row label{font-size:12px;letter-spacing:.06em;font-weight:600;color:var(--navy);text-transform:uppercase}
.form-row input,.form-row select,.form-row textarea{font:inherit;font-size:14px;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;outline:none;transition:.2s;background:#fff;color:var(--ink);font-family:inherit}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--navy)}
.form-row textarea{min-height:120px;resize:vertical}
.consent-line{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-top:6px}

/* RESPONSIVE */
@media (max-width:980px){
  .cards-3,.cards-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  header.nav .row{flex-wrap:wrap}
  nav{order:3;width:100%;overflow-x:auto}
  nav ul{display:flex;gap:4px;white-space:nowrap;padding-bottom:2px}
  nav li.has-sub > ul{position:static;display:flex;flex-direction:row;flex-wrap:wrap;border:0;padding:0;box-shadow:none;min-width:0}
  nav li.has-sub > ul a{padding:6px 8px;font-size:12.5px;color:var(--muted)}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .cards-3,.cards-4,.foot-grid{grid-template-columns:1fr}
  .page-banner{padding:60px 0 70px}
  .section{padding:60px 0}
}