*{margin:0;padding:0;box-sizing:border-box}:root{--bg:#f4f4f6;--white:#fff;--text:#111827;--muted:#5f6673;--border:#dde2ea;--yellow:#ffc71f;--yellow-dark:#e8ad00;--dark:#14233b;--dark-2:#0d1b32;--green-deep:#0f4b33;--card-shadow:0 14px 35px rgba(15,23,42,.08);--radius-xl:28px;--radius-lg:20px}html{scroll-behavior:smooth}body{font-family:"Inter","Hind Siliguri",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button,input,select{font:inherit}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.section{padding:28px 0}.section-card{background:var(--white);border-radius:var(--radius-xl);padding:28px 16px 18px;box-shadow:var(--card-shadow)}.section-heading{text-align:center;margin-bottom:22px}.section-heading h2{font-size:clamp(1.8rem,2.5vw,2.7rem);line-height:1.2;font-weight:800;margin-bottom:6px}.section-heading p{color:var(--muted)}.section-heading.light h2,.section-heading.light p{color:#fff}.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid #e8ecf2;position:sticky;top:0;z-index:999;backdrop-filter:blur(10px)}.nav-wrapper{min-height:76px;display:grid;grid-template-columns:auto minmax(160px,1fr) auto auto;align-items:center;gap:16px}.brand-logo{height:48px;width:auto;object-fit:contain}.search-box{max-width:240px}.search-box input{width:100%;padding:12px 16px;border-radius:999px;border:1px solid #e5e7eb;background:#f8f9fb;outline:none}.main-nav ul{display:flex;list-style:none;gap:20px;align-items:center}.main-nav a{font-weight:700;font-size:.9rem}.special-link{border:1px solid #c99af9;padding:10px 14px;border-radius:6px}.header-actions{display:flex;align-items:center;gap:12px}.lang-pill{width:40px;height:40px;background:#f5f7fa;border-radius:50%;display:grid;place-items:center;font-weight:800}.course-select{padding:10px 14px;border:none;background:#f3f4f6;border-radius:10px;font-weight:700;color:#111827}.menu-toggle{display:none;border:none;background:var(--yellow);color:#111;width:44px;height:44px;border-radius:10px;font-size:1.2rem;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;font-weight:800;transition:.25s ease;cursor:pointer}.btn-primary{background:var(--yellow);color:#111;padding:14px 24px}.btn-primary:hover{background:var(--yellow-dark);transform:translateY(-2px)}.btn-secondary{background:#f3f4f6;color:#111827;padding:14px 24px}.btn-light{background:#eef1f5;color:#111;padding:14px 26px}.btn-dark-green{background:#0a4a2f;color:#fff;padding:14px 24px}.btn-white-green{background:#fff;color:#0a4a2f;padding:14px 24px}.btn-small{padding:12px 20px;min-width:150px}.top-badge-section{padding:24px 0 10px}.top-badge{width:fit-content;margin:0 auto;background:linear-gradient(90deg,#ff7e5f,#ff5da2);color:#fff;padding:10px 20px;border-radius:999px;display:flex;align-items:center;gap:10px;font-weight:700;box-shadow:var(--card-shadow)}.badge-new{background:#b40000;color:#fff;font-size:.85rem;padding:2px 10px;border-radius:999px}.hero-section{padding:10px 0 28px}.hero-card{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:center;background:linear-gradient(135deg,#eef8f4 0%,#edf2f8 100%);border:1px solid #ced8e4;border-radius:var(--radius-xl);padding:28px;box-shadow:var(--card-shadow)}.hero-mini-badge{display:inline-block;background:#fff7d6;color:#614a00;border-radius:999px;padding:6px 12px;font-size:.85rem;margin-bottom:14px;font-weight:800}.hero-content h1{font-size:clamp(2.2rem,4vw,4rem);line-height:1.1;font-weight:900;margin-bottom:12px}.hero-content h1 span{color:#ff4136}.hero-content p{font-size:1.05rem;color:var(--muted);max-width:540px}.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}.trusted-block p{margin-bottom:12px;font-weight:700;color:#1f2937}.trusted-logos{display:flex;gap:14px;flex-wrap:wrap}.trusted-logos span{padding:6px 10px;border-radius:10px;background:rgba(255,255,255,.75);color:#6b7280;font-weight:800;border:1px solid #e4e7ec}.hero-visual img{border-radius:24px;box-shadow:0 25px 55px rgba(15,23,42,.22);width:100%;height:330px;object-fit:cover}.announcement-bar{margin-top:28px;background:linear-gradient(90deg,#172746,#08162e);border-radius:16px;padding:18px 20px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:var(--card-shadow)}.announcement-left{display:flex;align-items:center;gap:14px}.announcement-icon{font-size:2rem}.announcement-left h4{font-size:1.2rem;margin-bottom:2px}.announcement-left p{color:#d7deea}.filter-tabs{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;margin-bottom:22px}.tab-btn{border:1px solid var(--border);background:#fff;color:#111827;border-radius:12px;padding:12px 18px;white-space:nowrap;font-weight:800;cursor:pointer;transition:.25s ease}.tab-btn.active{background:var(--dark);color:#fff;border-color:var(--dark)}.dark-tabs .tab-btn{background:#0d1d3a;border-color:#1d325a;color:#fff}.dark-tabs .tab-btn.active{background:#fff;color:#111827}.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.course-card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:.25s ease}.course-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow)}.course-thumb{height:180px;width:100%;object-fit:cover}.img-wrap{position:relative}.live-pill{position:absolute;left:12px;top:12px;background:#fff;color:#ef4444;padding:4px 10px;border-radius:8px;font-size:.8rem;font-weight:800;z-index:2}.play-icon{position:absolute;inset:0;margin:auto;width:66px;height:66px;background:#ff4d92;color:#fff;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;box-shadow:0 10px 25px rgba(255,77,146,.35)}.card-meta{display:flex;gap:8px;flex-wrap:wrap;padding:12px 14px 0;font-size:.78rem;color:#4b5563}.card-meta span{background:#f3f4f6;padding:5px 8px;border-radius:7px}.card-body{padding:14px;display:flex;flex-direction:column;flex:1}.card-body small{color:#6b7280;margin-bottom:8px}.card-body h3{font-size:1.05rem;line-height:1.45;margin-bottom:10px;font-weight:900}.card-body p{color:var(--muted);font-size:.95rem;margin-bottom:16px}.date-line{color:#ef4444!important;font-weight:600}.card-btn{margin-top:auto;display:inline-flex;justify-content:center;align-items:center;background:#edf1f5;color:#111827;border-radius:10px;padding:12px 16px;font-weight:800;transition:.25s ease}.card-btn:hover,.btn-secondary:hover,.btn-light:hover{transform:translateY(-2px)}.section-center-btn{text-align:center;margin-top:24px}.dark-section-card{background:linear-gradient(180deg,#162644 0%,#0b1730 100%);border-radius:var(--radius-xl);padding:28px 16px;box-shadow:var(--card-shadow)}.demo-card{border:none}.business-banner{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;background:linear-gradient(135deg,#efffd5 0%,#d8ff8f 100%);border-radius:var(--radius-xl);border:1px solid #cce7a0;padding:28px;box-shadow:var(--card-shadow)}.business-content h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.2;margin-bottom:12px}.business-content p{color:#374151;max-width:520px}.business-visual img{height:280px;width:100%;object-fit:cover;border-radius:24px}.promo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.promo-card{display:grid;grid-template-columns:1fr 1fr;background:#12223d;border-radius:18px;overflow:hidden;color:#fff;box-shadow:var(--card-shadow)}.promo-card img{height:190px;width:100%;object-fit:cover}.promo-text{display:flex;flex-direction:column;justify-content:center;padding:22px}.promo-text h3{font-size:clamp(1.4rem,2.2vw,2rem);line-height:1.3;margin-bottom:18px}.dual-tabs{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px}.dual-tab{border:none;border-radius:12px;padding:14px;font-weight:800;background:#f3f4f6;cursor:pointer}.dual-tab.active{background:var(--dark);color:#fff}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #e5e7eb;border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--card-shadow)}.feature-item{min-height:170px;padding:28px 22px;text-align:center;border-right:1px solid #e5e7eb;border-bottom:1px solid #e5e7eb;display:flex;flex-direction:column;justify-content:center}.feature-item:nth-child(3n){border-right:none}.feature-item:nth-last-child(-n+3){border-bottom:none}.feature-icon{font-size:2.1rem;margin-bottom:14px}.feature-item h4{font-size:1.25rem;line-height:1.45;color:#374151}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{border-radius:16px;padding:26px 22px}.stat-card h3{font-size:clamp(2rem,3vw,3rem);font-weight:900;margin-bottom:8px}.stat-card p{font-size:1.1rem}.mint{background:#c8f0d5}.lavender{background:#d7defa}.peach{background:#f7dfd0}.cream{background:#f6ebbc}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card{background:#fff;border:1px solid #dde3eb;border-radius:16px;padding:20px;box-shadow:var(--card-shadow)}.review-card p{color:#374151;margin-bottom:18px}.review-user{display:flex;align-items:center;gap:12px}.avatar{width:44px;height:44px;background:#1e293b;color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:800}.review-user h4{font-size:1rem;line-height:1.2}.review-user span{font-size:.9rem;color:#6b7280}.site-footer{background:#f5f1e4;border-top:1px solid #e7e1d2;padding:42px 0;margin-top:26px}.footer-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:24px}.footer-logo{height:52px;width:auto;object-fit:contain;margin-bottom:14px}.footer-brand p{color:#374151;max-width:230px}.site-footer h4{margin-bottom:14px;font-size:1.15rem}.footer-links{list-style:none}.footer-links li+li{margin-top:10px}.footer-links a{color:#374151}@media(max-width:1200px){.nav-wrapper{grid-template-columns:auto 1fr auto}.main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border-top:1px solid #e5e7eb;padding:16px;box-shadow:var(--card-shadow)}.main-nav.show{display:block}.main-nav ul{flex-direction:column;align-items:flex-start}.menu-toggle{display:inline-grid;place-items:center}.search-box{max-width:unset}.header-actions{justify-self:end}}@media(max-width:1024px){.header-actions .course-select,.header-actions .lang-pill{display:none}.hero-card,.business-banner,.promo-grid,.footer-grid{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.stats-grid,.review-grid{grid-template-columns:repeat(2,1fr)}.hero-visual img{height:auto}.business-visual img{height:auto}}@media(max-width:768px){.nav-wrapper{grid-template-columns:auto 1fr auto;gap:10px;padding:10px 0}.search-box,.header-actions .btn-primary{display:none}.hero-card,.section-card,.dark-section-card,.business-banner{padding:20px}.announcement-bar{flex-direction:column;align-items:flex-start}.announcement-left{align-items:flex-start}.course-grid,.stats-grid,.review-grid,.feature-grid,.promo-card,.dual-tabs{grid-template-columns:1fr}.feature-item,.feature-item:nth-child(2n),.feature-item:nth-child(3n),.feature-item:nth-last-child(-n+3){border-right:none;border-bottom:1px solid #e5e7eb}.feature-item:last-child{border-bottom:none}.btn,.card-btn{width:100%}.trusted-logos span{width:calc(50% - 7px);text-align:center}}@media(max-width:480px){.container{width:min(100% - 20px,1180px)}.top-badge{width:100%;justify-content:center;text-align:center;flex-wrap:wrap}.hero-buttons{flex-direction:column;align-items:stretch}.brand-logo,.footer-logo{height:42px}}

/* ===== Header polish/fix ===== */
.site-header .container{
  width:min(1260px, calc(100% - 36px));
}
.nav-wrapper{
  min-height:78px;
  display:flex;
  align-items:center;
  gap:14px;
}
.brand{
  flex:0 0 auto;
  display:flex;
  align-items:center;
}
.brand-logo{
  height:42px;
  width:150px;
  object-fit:contain;
}
.search-box{
  flex:0 0 165px;
  max-width:165px;
}
.search-box input{
  height:46px;
  padding:10px 15px;
  font-size:.94rem;
}
.main-nav{
  flex:1 1 auto;
  min-width:0;
}
.main-nav ul{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:22px;
}
.main-nav li{
  flex:0 0 auto;
}
.main-nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  white-space:nowrap;
  line-height:1;
  font-size:.88rem;
  letter-spacing:.01em;
}
.special-link{
  padding:10px 14px;
  line-height:1!important;
}
.header-actions{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.lang-pill{
  width:38px;
  height:38px;
}
.course-select{
  width:170px;
  height:46px;
  padding:0 14px;
  white-space:nowrap;
}
.header-actions .btn-primary{
  height:50px;
  min-width:170px;
  padding:0 18px;
  border-radius:12px;
  white-space:nowrap;
  line-height:1;
}
.menu-toggle{
  flex:0 0 auto;
}

@media(max-width:1180px){
  .nav-wrapper{
    display:grid;
    grid-template-columns:auto minmax(180px,1fr) auto auto;
  }
  .brand-logo{
    width:145px;
  }
  .main-nav{
    display:none;
    position:absolute;
    top:78px;
    left:0;
    right:0;
    background:#fff;
    border-top:1px solid #e5e7eb;
    padding:16px;
    box-shadow:var(--card-shadow);
  }
  .main-nav.show{display:block;}
  .main-nav ul{
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:14px;
  }
  .menu-toggle{display:inline-grid;place-items:center;}
  .search-box{flex:auto;max-width:none;}
  .header-actions{justify-self:end;}
}

@media(max-width:768px){
  .brand-logo{width:135px;height:38px;}
}

/* ===== Premium course tabs + rotating brand logos ===== */
.courses-section .section-card{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,#ffffff 0%,#fbfdff 100%);
}
.courses-section .section-card::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:120px;
  background:radial-gradient(circle at 20% 0%,rgba(255,199,31,.18),transparent 34%),radial-gradient(circle at 80% 0%,rgba(20,35,59,.10),transparent 32%);
  pointer-events:none;
}
.courses-section .section-heading,
.course-filter-tabs,
.courses-section .course-grid,
.courses-section .section-center-btn{
  position:relative;
  z-index:1;
}
.course-filter-tabs{
  justify-content:center;
  gap:14px;
  padding:8px 6px 16px;
  margin-bottom:24px;
}
.course-filter-tabs .tab-btn{
  min-width:172px;
  min-height:74px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  gap:5px;
  padding:14px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.86);
  border:1px solid rgba(221,226,234,.95);
  box-shadow:0 10px 28px rgba(15,23,42,.055);
  position:relative;
  overflow:hidden;
}
.course-filter-tabs .tab-btn::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(255,199,31,.28),rgba(20,35,59,.08));
  opacity:0;
  transition:.25s ease;
}
.course-filter-tabs .tab-btn::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:0;
  height:4px;
  border-radius:999px 999px 0 0;
  background:var(--yellow);
  transform:scaleX(0);
  transform-origin:left;
  transition:.25s ease;
}
.course-filter-tabs .tab-title,
.course-filter-tabs .tab-count{
  position:relative;
  z-index:1;
}
.course-filter-tabs .tab-title{
  font-size:.96rem;
  line-height:1.18;
  font-weight:900;
  color:#111827;
}
.course-filter-tabs .tab-count{
  font-size:.78rem;
  line-height:1;
  font-weight:800;
  color:#7b8493;
  letter-spacing:.01em;
}
.course-filter-tabs .tab-btn:hover{
  transform:translateY(-4px);
  border-color:rgba(255,199,31,.85);
  box-shadow:0 18px 38px rgba(15,23,42,.12);
}
.course-filter-tabs .tab-btn:hover::before{
  opacity:1;
}
.course-filter-tabs .tab-btn:hover::after,
.course-filter-tabs .tab-btn.active::after{
  transform:scaleX(1);
}
.course-filter-tabs .tab-btn.active{
  background:linear-gradient(135deg,#14233b 0%,#0d1b32 100%);
  color:#fff;
  border-color:#14233b;
  box-shadow:0 18px 42px rgba(20,35,59,.24);
}
.course-filter-tabs .tab-btn.active::before{
  opacity:0;
}
.course-filter-tabs .tab-btn.active .tab-title{
  color:#fff;
}
.course-filter-tabs .tab-btn.active .tab-count{
  color:rgba(255,255,255,.74);
}

.trusted-block{
  max-width:620px;
}
.trusted-block p{
  margin-bottom:14px;
}
.trusted-logos.brand-marquee{
  width:100%;
  max-width:610px;
  overflow:hidden;
  display:block;
  padding:8px;
  border:1px solid rgba(206,216,228,.75);
  border-radius:18px;
  background:rgba(255,255,255,.55);
  box-shadow:0 14px 35px rgba(15,23,42,.07);
  position:relative;
}
.trusted-logos.brand-marquee::before,
.trusted-logos.brand-marquee::after{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  width:70px;
  z-index:2;
  pointer-events:none;
}
.trusted-logos.brand-marquee::before{
  left:0;
  background:linear-gradient(90deg,rgba(244,249,250,.98),rgba(244,249,250,0));
}
.trusted-logos.brand-marquee::after{
  right:0;
  background:linear-gradient(270deg,rgba(244,249,250,.98),rgba(244,249,250,0));
}
.brand-track{
  display:flex;
  align-items:center;
  gap:14px;
  width:max-content;
  animation:brandSlide 24s linear infinite;
}
.trusted-logos.brand-marquee:hover .brand-track{
  animation-play-state:paused;
}
.brand-logo-card{
  width:150px;
  height:92px;
  flex:0 0 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 12px;
  border-radius:16px;
  background:#fff;
  border:1px solid rgba(221,226,234,.9);
  box-shadow:0 10px 24px rgba(15,23,42,.07);
  transition:.25s ease;
}
.brand-logo-card:hover{
  transform:translateY(-4px) scale(1.02);
  border-color:rgba(255,199,31,.85);
  box-shadow:0 16px 32px rgba(15,23,42,.12);
}
.brand-logo-card img{
  width:58px;
  height:42px;
  object-fit:contain;
}
.brand-logo-card span{
  padding:0;
  border:0;
  background:transparent;
  color:#4b5563;
  font-size:.76rem;
  line-height:1.15;
  font-weight:900;
  text-align:center;
}
@keyframes brandSlide{
  from{transform:translateX(0);}
  to{transform:translateX(calc(-50% - 7px));}
}

@media(max-width:768px){
  .course-filter-tabs{
    justify-content:flex-start;
    padding-bottom:14px;
  }
  .course-filter-tabs .tab-btn{
    min-width:158px;
    min-height:68px;
    border-radius:16px;
  }
  .trusted-logos.brand-marquee{
    max-width:100%;
  }
  .brand-logo-card{
    width:132px;
    height:86px;
  }
}
@media(max-width:480px){
  .trusted-logos.brand-marquee{
    padding:7px;
  }
  .brand-logo-card{
    width:124px;
  }
  .brand-logo-card img{
    width:52px;
    height:38px;
  }
}