/* ইনফো আইটি — website theme (demo design theke, kono change kora hoyni) */
:root{
  --navy-900:#0a1a3d;
  --navy-800:#0e2154;
  --navy-700:#122a68;
  --navy-600:#16336f;
  --mint:#3fe0c5;
  --mint-dark:#1fb99e;
  --cream:#f4f2ec;
  --paper:#faf9f6;
  --ink:#12172b;
  --ink-soft:#5b6072;
  --line:#e6e3da;
  --gold:#f0a83a;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.display-font{
  font-family:'Anek Bangla',system-ui,sans-serif;
}
a{text-decoration:none;}
.container-xl{max-width:1220px;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--mint-dark);
  margin-bottom:.9rem;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--mint-dark);
  display:inline-block;
}
.section-pad{padding:5.5rem 0;}
@media(max-width:767px){.section-pad{padding:3.25rem 0;}}

.btn-mint{
  background:var(--mint);
  border:1px solid var(--mint);
  color:var(--navy-900);
  font-weight:600;
  padding:.68rem 1.4rem;
  border-radius:8px;
  transition:.2s ease;
}
.btn-mint:hover{background:var(--mint-dark);border-color:var(--mint-dark);color:var(--navy-900);}
.btn-outline-navy{
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  font-weight:600;
  padding:.68rem 1.4rem;
  border-radius:8px;
  transition:.2s ease;
}
.btn-outline-navy:hover{background:rgba(255,255,255,.08);color:#fff;}
.btn-navy{
  background:var(--navy-800);
  color:#fff;
  font-weight:600;
  padding:.65rem 1.35rem;
  border-radius:8px;
  border:1px solid var(--navy-800);
}
.btn-navy:hover{background:var(--navy-700);color:#fff;}
.btn-ghost-navy{
  border:1px solid var(--line);
  color:var(--navy-800);
  font-weight:600;
  padding:.55rem 1.15rem;
  border-radius:8px;
  background:#fff;
}
.btn-ghost-navy:hover{border-color:var(--navy-800);}

/* ===== NAVBAR ===== */
.navbar-vertex{
  padding:.9rem 0;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.brand-mark{
  width:38px;height:38px;
  background:var(--navy-800);
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-family:'Anek Bangla';
  flex-shrink:0;
}
.brand-text{line-height:1.05;}
.brand-text .name{font-weight:700;font-size:.98rem;color:var(--ink);font-family:'Anek Bangla';}
.brand-text .tag{font-size:.62rem;letter-spacing:.09em;color:var(--ink-soft);font-weight:600;}
.nav-links a{
  color:var(--ink);
  font-size:.92rem;
  font-weight:500;
  margin:0 .85rem;
}
.nav-links a:hover{color:var(--navy-800);}
.nav-phone{
  font-size:.88rem;font-weight:600;color:var(--ink);
  display:flex;align-items:center;gap:.4rem;
}

/* ===== HERO ===== */
.hero{
  background:radial-gradient(120% 140% at 15% 0%, var(--navy-600) 0%, var(--navy-800) 45%, var(--navy-900) 100%);
  color:#fff;
  padding:4.5rem 0 5rem;
  position:relative;
  overflow:hidden;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(63,224,197,.12);
  border:1px solid rgba(63,224,197,.35);
  color:var(--mint);
  font-size:.76rem;font-weight:600;
  padding:.4rem .9rem;
  border-radius:99px;
  margin-bottom:1.6rem;
}
.hero-badge .dot{width:6px;height:6px;background:var(--mint);border-radius:50%;}
.hero h1{
  font-size:2.85rem;
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.01em;
}
.hero h1 .mint{color:var(--mint);display:block;}
@media(max-width:767px){.hero h1{font-size:2.05rem;}}
.hero p.lead-copy{
  color:rgba(255,255,255,.72);
  font-size:1.02rem;
  max-width:520px;
  margin:1.25rem 0 2rem;
}
.hero-stats{
  margin-top:3rem;
  display:flex;
  gap:2.5rem;
  flex-wrap:wrap;
}
.hero-stats .stat b{
  display:block;
  font-family:'Anek Bangla';
  font-size:1.55rem;
  font-weight:700;
  color:#fff;
}
.hero-stats .stat span{
  font-size:.76rem;
  color:rgba(255,255,255,.55);
  line-height:1.2;
  display:block;
  max-width:100px;
}
.hero-media{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.5);
}
.hero-media img{width:100%;height:420px;object-fit:cover;display:block;}
.hero-float-card{
  position:absolute;
  left:-1.4rem;
  bottom:-1.4rem;
  background:#fff;
  color:var(--ink);
  border-radius:12px;
  padding:.85rem 1.15rem;
  box-shadow:0 20px 40px -12px rgba(0,0,0,.28);
  display:flex;
  align-items:center;
  gap:.7rem;
  max-width:270px;
}
@media(max-width:991px){.hero-float-card{position:static;margin-top:-2.2rem;margin-left:1rem;max-width:90%;}}
.hero-float-card .ic{
  width:34px;height:34px;border-radius:8px;
  background:rgba(63,224,197,.15);
  color:var(--mint-dark);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.hero-float-card .ttl{font-size:.82rem;font-weight:700;}
.hero-float-card .sub{font-size:.72rem;color:var(--ink-soft);}

/* ===== LOGO STRIP ===== */
.logo-strip{
  background:var(--cream);
  padding:1.6rem 0;
  border-bottom:1px solid var(--line);
}
.logo-strip .label{
  font-size:.7rem;letter-spacing:.08em;font-weight:700;color:var(--ink-soft);
  text-transform:none;
}
.logo-strip .brands{
  display:flex;gap:2.4rem;flex-wrap:wrap;
  font-family:'Anek Bangla';
  font-weight:700;
  color:#9a9689;
  font-size:1.02rem;
}

/* ===== FEATURE CARDS ===== */
.feature-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:1.6rem 1.4rem;
  height:100%;
}
.feature-card .ic{
  width:42px;height:42px;
  border-radius:10px;
  background:var(--navy-800);
  color:var(--mint);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:1rem;
  font-size:1.1rem;
}
.feature-card h3{font-size:1.02rem;font-weight:700;margin-bottom:.5rem;}
.feature-card p{font-size:.88rem;color:var(--ink-soft);margin:0;line-height:1.55;}

/* ===== COURSES ===== */
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap;
  margin-bottom:2.4rem;
}
.section-head h2{font-size:1.9rem;font-weight:700;letter-spacing:-.01em;max-width:640px;}
.section-head p{color:var(--ink-soft);font-size:.95rem;max-width:520px;margin:.6rem 0 0;}

.course-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  height:100%;
  transition:.2s ease;
}
.course-card:hover{box-shadow:0 20px 40px -20px rgba(10,26,61,.25);}
.course-thumb{
  position:relative;height:150px;
  background-size:cover;background-position:center;
}
.course-thumb .badge-cat{
  position:absolute;top:.7rem;left:.7rem;
  background:rgba(10,26,61,.75);
  color:#fff;
  font-size:.65rem;font-weight:700;letter-spacing:.04em;
  padding:.3rem .6rem;border-radius:6px;
}
.course-body{padding:1.1rem 1.2rem 1.3rem;}
.course-meta-top{
  display:flex;align-items:center;gap:.9rem;
  font-size:.78rem;color:var(--ink-soft);margin-bottom:.6rem;
}
.course-meta-top .rating{color:var(--gold);font-weight:700;}
.course-body h3{font-size:1.05rem;font-weight:700;margin-bottom:.4rem;}
.course-body .desc{font-size:.84rem;color:var(--ink-soft);margin-bottom:.85rem;line-height:1.5;min-height:2.5em;}
.course-facts{
  display:flex;flex-wrap:wrap;gap:.4rem 1rem;
  font-size:.76rem;color:var(--ink-soft);
  border-top:1px solid var(--line);
  padding-top:.75rem;margin-bottom:.9rem;
}
.course-facts span{display:flex;align-items:center;gap:.3rem;}
.course-price-row{display:flex;align-items:center;justify-content:space-between;}
.price-now{font-weight:700;font-size:1.05rem;font-family:'Anek Bangla';color:var(--ink);}
.price-old{font-size:.8rem;color:#b3ae9f;text-decoration:line-through;margin-left:.4rem;}

/* ===== BATCHES ===== */
.batch-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:1.4rem 1.4rem 1.5rem;height:100%;
}
.batch-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.9rem;}
.batch-id{font-size:.75rem;font-weight:700;color:var(--ink-soft);}
.status-pill{font-size:.68rem;font-weight:700;padding:.25rem .6rem;border-radius:99px;}
.status-open{background:#e4f8ef;color:#1f9d5c;}
.status-almost{background:#fdefdc;color:#c67d13;}
.batch-card h3{font-size:1.05rem;font-weight:700;margin-bottom:.7rem;}
.batch-line{font-size:.82rem;color:var(--ink-soft);display:flex;gap:.5rem;margin-bottom:.35rem;align-items:flex-start;}
.batch-line i{margin-top:.2rem;color:var(--ink-soft);}
.progress-thin{height:6px;border-radius:99px;background:var(--cream);margin:.9rem 0 .4rem;overflow:hidden;}
.progress-thin .bar{height:100%;background:var(--mint-dark);}
.seat-txt{font-size:.75rem;color:var(--ink-soft);display:flex;justify-content:space-between;margin-bottom:1.1rem;}

/* ===== INSTRUCTORS ===== */
.instructor-card{text-align:left;padding:1.4rem 0;}
.avatar-init{
  width:52px;height:52px;border-radius:50%;
  background:var(--navy-800);color:var(--mint);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-family:'Anek Bangla';
  margin-bottom:1rem;
}
.instructor-card h3{font-size:1rem;font-weight:700;margin-bottom:.15rem;}
.instructor-card .role{font-size:.82rem;color:var(--mint-dark);font-weight:600;margin-bottom:.5rem;}
.instructor-card .exp{font-size:.78rem;color:var(--ink-soft);display:flex;align-items:center;gap:.5rem;}
.instructor-card .exp .stars{color:var(--gold);}

/* ===== TESTIMONIALS ===== */
.testi-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:1.5rem;height:100%;
}
.testi-card .stars{color:var(--gold);font-size:.85rem;margin-bottom:.9rem;}
.testi-card p.quote{font-size:.92rem;color:var(--ink);line-height:1.6;margin-bottom:1.2rem;}
.testi-person{display:flex;align-items:center;gap:.7rem;}
.testi-person .av{
  width:38px;height:38px;border-radius:50%;
  background:var(--cream);color:var(--navy-800);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.8rem;
}
.testi-person .nm{font-size:.85rem;font-weight:700;}
.testi-person .rl{font-size:.75rem;color:var(--ink-soft);}

/* ===== BLOG + FAQ ===== */
.blog-item{padding:1.15rem 0;border-bottom:1px solid var(--line);}
.blog-item:last-child{border-bottom:none;}
.blog-item .tag{font-size:.72rem;color:var(--mint-dark);font-weight:700;}
.blog-item .dot-sep{color:var(--ink-soft);font-weight:400;margin:0 .35rem;}
.blog-item .read{font-size:.72rem;color:var(--ink-soft);font-weight:500;}
.blog-item h3{font-size:1rem;font-weight:700;margin:.35rem 0 .3rem;}
.blog-item p{font-size:.85rem;color:var(--ink-soft);margin:0;}

.accordion-vertex .accordion-item{border:none;border-bottom:1px solid var(--line);border-radius:0;background:transparent;}
.accordion-vertex .accordion-button{
  font-size:.92rem;font-weight:600;color:var(--ink);
  background:transparent;padding:1rem 0;box-shadow:none;
}
.accordion-vertex .accordion-button:not(.collapsed){color:var(--navy-800);background:transparent;box-shadow:none;}
.accordion-vertex .accordion-button::after{filter:none;}
.accordion-vertex .accordion-body{padding:0 0 1.1rem;font-size:.85rem;color:var(--ink-soft);}

/* ===== CTA BANNER ===== */
.cta-banner{
  background:linear-gradient(120deg,var(--navy-700),var(--navy-900));
  border-radius:22px;
  padding:3.4rem 2rem;
  text-align:center;
  color:#fff;
}
.cta-banner h2{font-size:1.9rem;font-weight:700;max-width:620px;margin:0 auto;line-height:1.25;}
.cta-banner p{color:rgba(255,255,255,.68);max-width:520px;margin:1rem auto 1.8rem;font-size:.95rem;}

/* ===== FOOTER ===== */
footer.site-footer{
  background:var(--navy-900);
  color:rgba(255,255,255,.65);
  padding:3.5rem 0 1.5rem;
}
footer.site-footer h5{
  color:#fff;font-size:.85rem;font-weight:700;letter-spacing:.03em;margin-bottom:1rem;
}
footer.site-footer a{color:rgba(255,255,255,.62);font-size:.85rem;display:block;margin-bottom:.55rem;}
footer.site-footer a:hover{color:var(--mint);}
footer.site-footer p{font-size:.85rem;line-height:1.6;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:2.5rem;padding-top:1.3rem;
  font-size:.78rem;color:rgba(255,255,255,.45);
}

.rating-stars{color:var(--gold);}

/* ===== ভর্তি ও কোর্স ডিটেইলস পেজের সাইডবার/ফর্ম ===== */
.sidebar-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:1.5rem;box-shadow:0 20px 40px -28px rgba(10,26,61,.35);
}
.sidebar-row{
  display:flex;justify-content:space-between;font-size:.85rem;
  padding:.6rem 0;border-bottom:1px solid var(--line);color:var(--ink-soft);
}
.sidebar-row b{color:var(--ink);font-weight:600;}
.sidebar-row:last-of-type{border-bottom:none;}
.form-label{font-size:.85rem;}
.form-control, .form-select{
  border-color:var(--line);padding:.6rem .8rem;font-size:.9rem;border-radius:8px;
}
.form-control:focus, .form-select:focus{
  border-color:var(--navy-700);box-shadow:0 0 0 .2rem rgba(18,42,104,.12);
}


/* ===== কোর্স ডিটেইলস পেজ ===== */
.detail-block{margin-bottom:2.2rem;}
.detail-block h2{font-size:1.25rem;font-weight:700;margin-bottom:1rem;}
.curriculum-list li, .outcome-list li{
  font-size:.9rem;color:var(--ink-soft);padding:.55rem 0;
  border-bottom:1px solid var(--line);
  display:flex;gap:.6rem;align-items:flex-start;
}
.curriculum-list li:last-child, .outcome-list li:last-child{border-bottom:none;}
.curriculum-list li i, .outcome-list li i{color:var(--mint-dark);margin-top:.2rem;}