/* =========================================================
   Cordcell IT Limited — Design System
   ========================================================= */

:root{
  --navy-950:#081B3A;
  --navy-900:#0B2A5B;
  --navy-800:#0E3A73;
  --blue-600:#0E5C8A;
  --teal-500:#0FBFA0;
  --teal-400:#2FD9BC;
  --mint-300:#7CFFD6;
  --ink:#101828;
  --slate-700:#344054;
  --slate-500:#667085;
  --slate-300:#D0D5DD;
  --slate-100:#EEF2F6;
  --bg:#FFFFFF;
  --bg-alt:#F6F9FC;
  --white:#FFFFFF;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-sm:0 2px 8px rgba(11,42,91,0.06);
  --shadow-md:0 12px 32px rgba(11,42,91,0.10);
  --shadow-lg:0 24px 60px rgba(11,42,91,0.16);
  --container:1200px;
  --font-en:'Inter', 'Poppins', system-ui, -apple-system, sans-serif;
  --font-en-head:'Poppins', 'Inter', system-ui, sans-serif;
  --font-bn:'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-en);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-en-head);
  color:var(--navy-900);
  line-height:1.2;
  margin:0 0 .5em;
  font-weight:700;
}
p{ margin:0 0 1em; color:var(--slate-700); }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; cursor:pointer; }

/* ---------- Language toggling ---------- */
html[data-lang="en"] .bn{ display:none !important; }
html[data-lang="bn"] .en{ display:none !important; }
html[data-lang="bn"] body{ font-family:var(--font-bn); }
html[data-lang="bn"] h1,
html[data-lang="bn"] h2,
html[data-lang="bn"] h3,
html[data-lang="bn"] h4,
html[data-lang="bn"] h5{ font-family:var(--font-bn); }
.bn{ font-family:var(--font-bn); }

.lang-switch{
  display:flex;
  align-items:center;
  background:var(--slate-100);
  border-radius:999px;
  padding:3px;
  gap:2px;
  border:1px solid var(--slate-300);
}
.lang-switch button{
  border:none;
  background:transparent;
  padding:6px 12px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--slate-500);
  transition:all .2s ease;
}
.lang-switch button.active{
  background:var(--navy-900);
  color:#fff;
  box-shadow:var(--shadow-sm);
}

/* ---------- Layout helpers ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{ padding:96px 0; }
.section-sm{ padding:56px 0; }
.section-alt{ background:var(--bg-alt); }
.section-dark{ background:linear-gradient(160deg,var(--navy-950),var(--navy-900) 60%,var(--blue-600)); color:#fff; }
.section-dark h2,.section-dark h3,.section-dark p{ color:#fff; }
.section-dark p{ color:rgba(255,255,255,.78); }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal-500);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--teal-500);
  display:inline-block;
}
.section-head{ max-width:720px; margin:0 auto 56px; text-align:center; }
.section-head h2{ font-size:clamp(1.7rem,3vw,2.4rem); }
.section-head p{ font-size:1.05rem; }

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

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  border:2px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--navy-900),var(--blue-600));
  color:#fff;
  box-shadow:var(--shadow-md);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.btn-accent{
  background:linear-gradient(120deg,var(--teal-500),var(--teal-400));
  color:var(--navy-950);
  box-shadow:0 12px 32px rgba(15,191,160,0.28);
}
.btn-accent:hover{ transform:translateY(-2px); }
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-outline:hover{ background:rgba(255,255,255,.12); border-color:#fff; }
.btn-outline-dark{
  background:transparent;
  border-color:var(--slate-300);
  color:var(--navy-900);
}
.btn-outline-dark:hover{ border-color:var(--navy-900); background:var(--slate-100); }
.btn-block{ width:100%; }
.btn-sm{ padding:10px 20px; font-size:.85rem; }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--slate-100);
}
.navbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:44px; height:44px; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; white-space:nowrap; }
.brand-text .name{ font-family:var(--font-en-head); font-weight:800; font-size:1.15rem; color:var(--navy-900); letter-spacing:-.01em; white-space:nowrap; }
.brand-text .sub{ font-size:.62rem; font-weight:700; letter-spacing:.14em; color:var(--teal-500); text-transform:uppercase; white-space:nowrap; }

.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links a{
  padding:10px 16px;
  border-radius:999px;
  font-weight:600;
  font-size:.92rem;
  color:var(--slate-700);
  transition:background .2s ease, color .2s ease;
}
.nav-links a:hover, .nav-links a.active{ background:var(--slate-100); color:var(--navy-900); }

.nav-right{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none;
  border:none; background:var(--slate-100);
  width:42px; height:42px; border-radius:10px;
  align-items:center; justify-content:center;
  flex-direction:column; gap:4px;
}
.nav-toggle span{ width:20px; height:2px; background:var(--navy-900); border-radius:2px; }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:100px 0 120px;
  background:radial-gradient(1200px 600px at 85% -10%, rgba(15,191,160,.25), transparent 60%),
             linear-gradient(160deg,var(--navy-950),var(--navy-900) 55%,var(--blue-600));
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(700px 400px at 80% 20%, #000, transparent 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;
}
.hero h1{ color:#fff; font-size:clamp(2.1rem,4.4vw,3.4rem); margin-bottom:.4em; }
.hero .accent{ color:var(--teal-400); }
.hero p.lead{ color:rgba(255,255,255,.82); font-size:1.12rem; max-width:560px; }
.hero-cta{ display:flex; gap:14px; margin-top:32px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:32px; margin-top:52px; flex-wrap:wrap; }
.hero-stats .stat b{ display:block; font-size:1.7rem; color:#fff; font-family:var(--font-en-head); }
.hero-stats .stat span{ font-size:.82rem; color:rgba(255,255,255,.65); }

.hero-art{
  position:relative;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  padding:28px;
  backdrop-filter:blur(6px);
}
.hero-art .flow-item{
  display:flex; align-items:center; gap:14px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  padding:14px 16px;
  margin-bottom:12px;
  font-size:.88rem; font-weight:600; color:#fff;
}
.hero-art .flow-item .num{
  width:30px; height:30px; border-radius:9px;
  background:linear-gradient(120deg,var(--teal-500),var(--teal-400));
  color:var(--navy-950); font-weight:800; font-size:.82rem;
  display:flex; align-items:center; justify-content:center; flex:none;
}

/* ---------- Cards ---------- */
.card{
  background:#fff;
  border:1px solid var(--slate-100);
  border-radius:var(--radius-md);
  padding:28px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  height:100%;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:transparent; }
.card .icon{
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--navy-900),var(--teal-500));
  color:#fff; font-size:1.3rem; margin-bottom:18px;
}
.card h3{ font-size:1.12rem; margin-bottom:.4em; }
.card p{ font-size:.92rem; margin-bottom:14px; }
.card ul{ display:flex; flex-direction:column; gap:8px; }
.card ul li{
  font-size:.86rem; color:var(--slate-700);
  padding-left:20px; position:relative;
}
.card ul li::before{
  content:"";
  position:absolute; left:0; top:.55em;
  width:8px; height:8px; border-radius:3px;
  background:linear-gradient(135deg,var(--teal-500),var(--blue-600));
}
.card-link{ margin-top:16px; display:inline-flex; align-items:center; gap:6px; font-weight:700; font-size:.86rem; color:var(--blue-600); }

/* Service detail card (services page) */
.service-block{
  display:grid; grid-template-columns:.42fr .58fr; gap:40px;
  align-items:start;
  padding:44px 0;
  border-bottom:1px solid var(--slate-100);
}
.service-block:last-child{ border-bottom:none; }
.service-block .service-head{ position:sticky; top:96px; }
.service-block .icon-lg{
  width:64px; height:64px; border-radius:18px;
  background:linear-gradient(135deg,var(--navy-900),var(--teal-500));
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:1.6rem; margin-bottom:18px;
}
.service-block .tag{
  display:inline-block; font-size:.72rem; font-weight:800; letter-spacing:.08em;
  color:var(--teal-500); text-transform:uppercase; margin-bottom:8px;
}
.service-list{ display:grid; grid-template-columns:1fr 1fr; gap:10px 22px; }
.service-list li{
  font-size:.92rem; color:var(--slate-700);
  padding:10px 0 10px 26px; position:relative;
  border-bottom:1px dashed var(--slate-100);
}
.service-list li::before{
  content:"✓"; position:absolute; left:0; top:9px;
  width:18px; height:18px; border-radius:6px; font-size:.68rem;
  background:var(--teal-500); color:#fff; display:flex; align-items:center; justify-content:center;
}

/* ---------- Timeline / flow ---------- */
.flow-row{
  display:flex; flex-wrap:wrap; gap:14px; justify-content:center; align-items:center;
}
.flow-pill{
  background:#fff; border:1px solid var(--slate-300); border-radius:999px;
  padding:12px 20px; font-weight:700; font-size:.86rem; color:var(--navy-900);
  box-shadow:var(--shadow-sm);
}
.flow-arrow{ color:var(--teal-500); font-size:1.2rem; font-weight:900; }

/* ---------- Pricing / packages ---------- */
.pricing-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; align-items:stretch; }
.price-card{
  background:#fff; border:1px solid var(--slate-100); border-radius:var(--radius-lg);
  padding:36px 30px; box-shadow:var(--shadow-sm); display:flex; flex-direction:column;
  position:relative; transition:transform .25s ease, box-shadow .25s ease;
}
.price-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.price-card.featured{
  border:2px solid var(--teal-500);
  background:linear-gradient(180deg,#fff, #F2FCFA);
}
.price-card .badge{
  position:absolute; top:-14px; left:30px;
  background:linear-gradient(120deg,var(--teal-500),var(--teal-400));
  color:var(--navy-950); font-size:.72rem; font-weight:800;
  padding:6px 14px; border-radius:999px; letter-spacing:.04em;
}
.price-card h3{ font-size:1.3rem; margin-bottom:6px; }
.price-card .tag{ color:var(--slate-500); font-size:.9rem; margin-bottom:18px; }
.price-card ul{ display:flex; flex-direction:column; gap:12px; margin:22px 0 30px; flex:1; }
.price-card ul li{ font-size:.9rem; color:var(--slate-700); padding-left:26px; position:relative; }
.price-card ul li::before{
  content:"✓"; position:absolute; left:0; top:0;
  width:18px; height:18px; border-radius:50%; font-size:.65rem;
  background:var(--teal-500); color:#fff; display:flex; align-items:center; justify-content:center;
}

/* ---------- Why us / stats ---------- */
.why-item{ display:flex; gap:18px; align-items:flex-start; }
.why-item .icon{
  width:48px; height:48px; border-radius:12px; flex:none;
  background:var(--slate-100); color:var(--navy-900);
  display:flex; align-items:center; justify-content:center; font-size:1.15rem;
}
.why-item h3{ font-size:1.02rem; margin-bottom:4px; }
.why-item p{ font-size:.9rem; }

/* ---------- MD message ---------- */
.md-message{
  display:grid; grid-template-columns:.32fr .68fr; gap:44px; align-items:center;
}
.md-photo{
  width:100%; aspect-ratio:1/1; border-radius:var(--radius-lg);
  background:linear-gradient(150deg,var(--navy-900),var(--blue-600) 60%,var(--teal-500));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family:var(--font-en-head); font-weight:800; font-size:3.2rem;
  box-shadow:var(--shadow-md);
}
.quote-mark{ font-size:3rem; color:var(--teal-500); font-family:Georgia,serif; line-height:0; }
.md-name{ font-weight:800; color:var(--navy-900); margin-top:18px; }
.md-title{ font-size:.85rem; color:var(--slate-500); }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:44px; }
.contact-info-card{
  background:#fff; border:1px solid var(--slate-100); border-radius:var(--radius-lg);
  padding:30px; box-shadow:var(--shadow-sm); display:flex; gap:16px; align-items:flex-start; margin-bottom:18px;
}
.contact-info-card .icon{
  width:46px; height:46px; border-radius:12px; flex:none;
  background:linear-gradient(135deg,var(--navy-900),var(--teal-500)); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:1.1rem;
}
.contact-info-card h3{ font-size:1rem; margin-bottom:4px; }
.contact-info-card p{ font-size:.9rem; margin:0; }

.form-card{
  background:#fff; border:1px solid var(--slate-100); border-radius:var(--radius-lg);
  padding:36px; box-shadow:var(--shadow-md);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.85rem; font-weight:700; color:var(--navy-900); margin-bottom:6px; }
.field input, .field select, .field textarea{
  width:100%; border:1.5px solid var(--slate-300); border-radius:10px;
  padding:12px 14px; font-size:.92rem; font-family:inherit; color:var(--ink);
  background:var(--bg-alt); transition:border-color .2s ease, background .2s ease;
}
html[data-lang="bn"] .field input, html[data-lang="bn"] .field select, html[data-lang="bn"] .field textarea{ font-family:var(--font-bn); }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--teal-500); background:#fff;
}
.field textarea{ resize:vertical; min-height:120px; }
.map-frame{
  border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--slate-100);
  box-shadow:var(--shadow-sm); margin-top:24px; height:280px;
}
.map-frame iframe{ width:100%; height:100%; border:0; }
.form-note{ font-size:.8rem; color:var(--slate-500); margin-top:6px; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-950); color:rgba(255,255,255,.75); padding:72px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1.1fr; gap:40px; padding-bottom:48px; }
.footer-brand .brand-text .name{ color:#fff; }
.footer-brand p{ color:rgba(255,255,255,.6); font-size:.9rem; margin-top:14px; max-width:280px; }
.footer-col h4{ color:#fff; font-size:.9rem; letter-spacing:.06em; text-transform:uppercase; margin-bottom:18px; }
.footer-col ul{ display:flex; flex-direction:column; gap:11px; }
.footer-col a{ font-size:.9rem; color:rgba(255,255,255,.65); transition:color .2s ease; }
.footer-col a:hover{ color:var(--teal-400); }
.footer-col .contact-line{ display:flex; gap:10px; font-size:.88rem; color:rgba(255,255,255,.65); margin-bottom:14px; align-items:flex-start; }
.footer-col .contact-line i{ color:var(--teal-400); margin-top:3px; }
.social-row{ display:flex; gap:10px; margin-top:18px; }
.social-row a{
  width:38px; height:38px; border-radius:10px; background:rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:center; color:#fff; transition:background .2s ease, transform .2s ease;
}
.social-row a:hover{ background:var(--teal-500); transform:translateY(-3px); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0; display:flex; justify-content:space-between; align-items:center;
  font-size:.82rem; color:rgba(255,255,255,.5); flex-wrap:wrap; gap:10px;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy-900),var(--blue-600) 60%,var(--teal-500));
  border-radius:var(--radius-lg);
  padding:56px;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
  color:#fff;
}
.cta-band h2{ color:#fff; margin-bottom:6px; font-size:1.7rem; }
.cta-band p{ color:rgba(255,255,255,.82); margin:0; }

/* ---------- Reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- Breadcrumb / page header ---------- */
.page-hero{
  padding:64px 0 56px;
  background:radial-gradient(900px 400px at 85% -20%, rgba(15,191,160,.22), transparent 60%),
             linear-gradient(160deg,var(--navy-950),var(--navy-900) 60%,var(--blue-600));
  color:#fff;
}
.page-hero h1{ color:#fff; font-size:clamp(1.9rem,4vw,2.7rem); margin-bottom:.3em; }
.page-hero p{ color:rgba(255,255,255,.78); max-width:640px; font-size:1.02rem; }
.crumbs{ font-size:.82rem; color:rgba(255,255,255,.55); margin-bottom:16px; }
.crumbs a{ color:rgba(255,255,255,.8); }
.crumbs span{ margin:0 6px; }

/* ---------- Target audience chips ---------- */
.chip-row{ display:flex; flex-wrap:wrap; gap:10px; }
.chip{
  background:var(--slate-100); color:var(--navy-900); font-weight:600; font-size:.86rem;
  padding:10px 18px; border-radius:999px; border:1px solid var(--slate-300);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .hero-grid{ grid-template-columns:1fr; }
  .md-message{ grid-template-columns:1fr; }
  .md-photo{ max-width:220px; margin:0 auto; }
  .service-block{ grid-template-columns:1fr; }
  .service-block .service-head{ position:static; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .pricing-grid{ grid-template-columns:1fr; }
}
@media (max-width: 760px){
  .navbar{ flex-wrap:nowrap; gap:10px; }
  .navbar .nav-right > .btn-primary.btn-sm{ display:none; }
  .brand-text .sub{ display:none; }
  .brand-text .name{ font-size:.98rem; }
  .brand img{ width:36px; height:36px; }
  .nav-right{ gap:8px; }
  .lang-switch button{ padding:5px 9px; font-size:.72rem; }
  .nav-links{
    position:fixed; inset:70px 16px auto 16px;
    background:#fff; border-radius:var(--radius-md); box-shadow:var(--shadow-lg);
    flex-direction:column; align-items:stretch; padding:14px;
    border:1px solid var(--slate-100);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding:12px 16px; }
  .nav-toggle{ display:flex; }
  .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .service-list{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .cta-band{ flex-direction:column; text-align:center; }
  .section{ padding:64px 0; }
}