@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@500;600;700;800&display=swap');

:root{
  --primary:#1557ff;
  --primary-2:#0ca7ea;
  --navy:#06143a;
  --navy-2:#0b1f52;
  --accent:#ffd21f;
  --accent-2:#ff7a00;
  --text:#15203a;
  --muted:#61708d;
  --surface:#ffffff;
  --surface-2:#f4f7ff;
  --border:#dfe7f7;
  --success:#10a96b;
  --shadow:0 24px 70px rgba(10,39,110,.14);
  --radius:24px;
  --container:min(1160px, calc(100% - 32px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:#fff;
  font-family:"Hind Siliguri",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.7;
  font-size:17px;
}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.container{width:var(--container);margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:8px;background:#fff;padding:10px 16px;z-index:9999;border-radius:8px}
.skip-link:focus{left:12px}
.topbar{background:var(--navy);color:#dfe8ff;font-size:14px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:42px}
.topbar-items,.topbar-social{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.topbar a:hover{color:#fff}
.icon-text{display:inline-flex;align-items:center;gap:8px}
.icon-text svg{width:17px;height:17px;flex:0 0 auto}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(217,226,244,.8);
}
.nav-wrap{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#e8efff,#fff);
  box-shadow:0 8px 24px rgba(21,87,255,.13);
  overflow:hidden;
}
.brand-icon img{width:46px;height:42px;object-fit:contain}
.brand-copy strong{display:block;font-family:Inter,sans-serif;font-size:19px;letter-spacing:-.4px;color:var(--navy)}
.brand-copy span{display:block;font-size:12px;color:var(--muted);line-height:1.2}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links>a,.nav-dropdown>button{
  border:0;background:transparent;color:#273654;
  padding:10px 12px;border-radius:10px;font-weight:600;cursor:pointer;
}
.nav-links>a:hover,.nav-links>a.active,.nav-dropdown>button:hover{color:var(--primary);background:#eef3ff}
.nav-dropdown{position:relative}
.dropdown-menu{
  position:absolute;top:calc(100% + 12px);left:0;width:230px;padding:10px;
  background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;
}
.nav-dropdown:hover .dropdown-menu,.nav-dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:none}
.dropdown-menu a{display:block;padding:10px 12px;border-radius:10px;color:#33405d}
.dropdown-menu a:hover{background:#eef3ff;color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-btn{display:none;border:0;background:#eef3ff;color:var(--navy);width:44px;height:44px;border-radius:12px;font-size:22px;cursor:pointer}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:11px 20px;border-radius:13px;border:1px solid transparent;
  font-weight:700;line-height:1.2;cursor:pointer;transition:.2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),#1742c7);box-shadow:0 13px 30px rgba(21,87,255,.25)}
.btn-accent{color:#1b1b17;background:linear-gradient(135deg,var(--accent),#ffb800);box-shadow:0 13px 30px rgba(255,190,0,.22)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--navy)}
.btn-light{background:#fff;color:var(--primary)}
.btn-sm{min-height:41px;padding:9px 15px;border-radius:11px;font-size:15px}
.btn-block{width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);background:#eaf0ff;border:1px solid #dbe5ff;
  padding:7px 12px;border-radius:999px;font-size:14px;font-weight:700;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary)}
.hero{
  position:relative;overflow:hidden;
  min-height:700px;
  background:
    linear-gradient(100deg,rgba(4,20,61,.96) 0%,rgba(6,31,93,.91) 46%,rgba(21,87,255,.45) 100%),
    url("../images/brand-cover.webp") center/cover no-repeat;
  color:#fff;
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.hero::before{width:530px;height:530px;right:-180px;top:-220px;background:rgba(17,177,241,.18);border:80px solid rgba(255,255,255,.035)}
.hero::after{width:310px;height:310px;left:-160px;bottom:-160px;background:rgba(255,210,31,.12)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;padding:105px 0 92px}
.hero .eyebrow{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#fff}
.hero .eyebrow::before{background:var(--accent)}
.hero h1{font-size:clamp(46px,6vw,76px);line-height:1.06;margin:20px 0 18px;letter-spacing:-1.5px}
.hero h1 span{color:var(--accent)}
.hero-lead{font-size:21px;color:#dce6ff;max-width:660px;margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:#dce6ff;font-size:15px}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points span::before{content:"✓";display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:#1ccd87;color:#05243a;font-weight:800}
.hero-card{
  position:relative;max-width:465px;margin-left:auto;
  border:1px solid rgba(255,255,255,.18);border-radius:32px;padding:18px;
  background:rgba(255,255,255,.11);backdrop-filter:blur(17px);
  box-shadow:0 35px 90px rgba(0,0,0,.3);
}
.hero-card img{width:100%;aspect-ratio:4/4.6;object-fit:cover;object-position:50% 20%;border-radius:23px}
.hero-card-badge{
  position:absolute;left:-28px;bottom:42px;background:#fff;color:var(--navy);
  border-radius:18px;padding:15px 18px;box-shadow:0 20px 50px rgba(0,0,0,.22)
}
.hero-card-badge strong{display:block;color:var(--primary);font-size:23px;line-height:1}
.hero-card-badge span{font-size:14px;color:var(--muted)}
.stats-wrap{position:relative;margin-top:-48px;z-index:3}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:24px;
  box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden;
}
.stat{padding:27px 24px;text-align:center;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:0;top:25%;height:50%;width:1px;background:var(--border)}
.stat strong{display:block;font-family:Inter,sans-serif;font-size:31px;color:var(--primary);line-height:1.1}
.stat span{color:var(--muted);font-size:15px}
.section{padding:92px 0}
.section-soft{background:var(--surface-2)}
.section-dark{background:var(--navy);color:#fff}
.section-header{max-width:730px;margin:0 auto 46px;text-align:center}
.section-header.left{margin:0 0 38px;text-align:left}
.section-title{font-size:clamp(34px,4vw,51px);line-height:1.15;margin:14px 0 14px;color:var(--navy);letter-spacing:-.7px}
.section-dark .section-title{color:#fff}
.section-description{margin:0;color:var(--muted);font-size:18px}
.section-dark .section-description{color:#c8d6f7}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:70px}
.about-visual{position:relative}
.about-visual-main{background:#fff;border-radius:30px;padding:20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.about-visual-main img{width:100%;height:510px;object-fit:contain;border-radius:22px;background:#fff}
.about-float{
  position:absolute;right:-35px;bottom:35px;background:linear-gradient(135deg,var(--primary),#0839bd);
  color:#fff;padding:22px;border-radius:20px;width:210px;box-shadow:0 24px 50px rgba(21,87,255,.3)
}
.about-float strong{display:block;font-size:24px}
.check-list{display:grid;gap:15px;margin:26px 0 32px;padding:0;list-style:none}
.check-list li{display:flex;align-items:flex-start;gap:12px}
.check-list li::before{content:"✓";flex:0 0 auto;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#e1f8ef;color:var(--success);font-weight:800;margin-top:2px}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.course-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:27px;
  transition:.25s;position:relative;overflow:hidden;
}
.course-card::after{content:"";position:absolute;width:95px;height:95px;border-radius:50%;background:#e9efff;right:-35px;top:-35px;transition:.25s}
.course-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:#c5d5ff}
.course-card:hover::after{transform:scale(1.3);background:#dce7ff}
.course-icon{
  width:58px;height:58px;border-radius:17px;display:grid;place-items:center;
  background:linear-gradient(145deg,#eaf0ff,#f8fbff);color:var(--primary);font-size:28px;position:relative;z-index:1
}
.course-card h3{font-size:23px;margin:20px 0 8px;color:var(--navy)}
.course-card p{color:var(--muted);margin:0 0 18px}
.course-meta{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0 22px}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#f0f4ff;color:#35518c;font-size:13px;font-weight:700}
.text-link{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{padding:27px;border-radius:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.11)}
.feature-card .num{font-family:Inter,sans-serif;font-size:39px;color:var(--accent);font-weight:800;line-height:1}
.feature-card h3{font-size:21px;margin:18px 0 8px}
.feature-card p{color:#bdcae9;margin:0;font-size:15px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:steps}
.step{position:relative;padding:29px 24px;background:#fff;border:1px solid var(--border);border-radius:22px}
.step::before{counter-increment:steps;content:"0" counter(steps);display:block;font:800 28px/1 Inter;color:var(--primary);margin-bottom:20px}
.step:not(:last-child)::after{content:"→";position:absolute;right:-20px;top:44%;z-index:2;color:#90a3cd;font-size:27px}
.step h3{font-size:21px;margin:0 0 8px;color:var(--navy)}
.step p{margin:0;color:var(--muted);font-size:15px}
.poster-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:45px;align-items:center}
.poster-frame{background:#fff;padding:14px;border-radius:28px;border:1px solid var(--border);box-shadow:var(--shadow)}
.poster-frame img{border-radius:19px;max-height:660px;width:100%;object-fit:contain;background:#0a0828}
.info-stack{display:grid;gap:15px;margin:25px 0}
.info-row{display:flex;align-items:flex-start;gap:14px;padding:16px;background:#f6f8ff;border-radius:15px}
.info-row b{display:block;color:var(--navy)}
.info-row span{color:var(--muted)}
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.blog-card{background:#fff;border:1px solid var(--border);border-radius:25px;overflow:hidden;transition:.25s}
.blog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.blog-cover{height:250px;position:relative;overflow:hidden}
.blog-cover img{width:100%;height:100%;object-fit:cover}
.blog-cover.gradient{display:grid;place-items:center;padding:28px;background:linear-gradient(135deg,#0a1c50,#1557ff)}
.blog-cover.gradient.alt{background:linear-gradient(135deg,#07182f,#02a1d8)}
.blog-cover-logo{max-width:270px;filter:drop-shadow(0 18px 30px rgba(0,0,0,.2))}
.blog-body{padding:27px}
.blog-body h3{font-size:26px;line-height:1.25;margin:8px 0 12px;color:var(--navy)}
.blog-body p{margin:0 0 18px;color:var(--muted)}
.blog-meta{display:flex;align-items:center;gap:12px;color:#71809c;font-size:14px;flex-wrap:wrap}
.cta{
  padding:0 0 92px;
}
.cta-box{
  position:relative;overflow:hidden;padding:55px;border-radius:32px;
  color:#fff;background:linear-gradient(125deg,var(--primary),#0a2c92);
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;
  box-shadow:0 35px 70px rgba(21,87,255,.24)
}
.cta-box::after{content:"";position:absolute;width:360px;height:360px;border:70px solid rgba(255,255,255,.05);border-radius:50%;right:-145px;top:-180px}
.cta-box h2{font-size:clamp(32px,4vw,48px);line-height:1.15;margin:0 0 10px}
.cta-box p{margin:0;color:#dce6ff}
.cta-actions{position:relative;z-index:2;display:flex;gap:10px;flex-wrap:wrap}
.site-footer{background:#050f2b;color:#c9d4ee;padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:45px}
.footer-brand .brand-copy strong{color:#fff}
.footer-about{color:#9daed2;max-width:390px}
.footer-title{color:#fff;font-weight:700;font-size:18px;margin-bottom:15px}
.footer-links{display:grid;gap:9px}
.footer-links a:hover{color:#fff}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.08)}
.social-btn:hover{background:var(--primary)}
.footer-bottom{margin-top:55px;padding:22px 0;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:20px;font-size:14px;color:#8496be}
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:999;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;background:#1ecb6b;color:#fff;box-shadow:0 14px 35px rgba(0,0,0,.25);font-size:28px;
}
.whatsapp-float:hover{transform:scale(1.06)}
.page-hero{padding:85px 0;background:linear-gradient(125deg,#071844,#1557ff);color:#fff;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;border:80px solid rgba(255,255,255,.05);right:-150px;top:-200px}
.breadcrumb{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:#bcd0ff;font-size:15px;margin-bottom:15px}
.breadcrumb a:hover{color:#fff}
.page-hero h1{font-size:clamp(40px,6vw,66px);line-height:1.1;max-width:850px;margin:10px 0 12px;letter-spacing:-1px}
.page-hero p{max-width:760px;color:#d8e3ff;font-size:19px;margin:0}
.filter-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.filter-btn{border:1px solid var(--border);background:#fff;padding:10px 16px;border-radius:999px;cursor:pointer;font-weight:700;color:#3e4b67}
.filter-btn.active,.filter-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.course-detail-grid{display:grid;gap:25px}
.course-detail{
  display:grid;grid-template-columns:90px 1fr auto;gap:24px;align-items:start;
  background:#fff;border:1px solid var(--border);padding:28px;border-radius:24px
}
.course-detail-icon{width:78px;height:78px;border-radius:20px;background:#edf2ff;color:var(--primary);display:grid;place-items:center;font-size:34px}
.course-detail h2{margin:0 0 7px;color:var(--navy);font-size:28px}
.course-detail p{color:var(--muted);margin:0}
.module-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}
.module-list span{padding:6px 10px;border-radius:8px;background:#f3f6fc;color:#51617e;font-size:13px}
.about-page-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.gallery img{width:100%;height:280px;object-fit:cover;border-radius:22px;border:1px solid var(--border)}
.gallery img.tall{grid-row:span 2;height:578px;object-position:top}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value-card{background:#fff;padding:28px;border:1px solid var(--border);border-radius:22px}
.value-card h3{color:var(--navy);font-size:22px}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:35px}
.contact-card,.form-card{background:#fff;border:1px solid var(--border);border-radius:25px;padding:32px;box-shadow:0 15px 45px rgba(10,39,110,.08)}
.contact-list{display:grid;gap:16px;margin:25px 0}
.contact-item{display:flex;gap:14px;align-items:flex-start;padding:15px;background:#f6f8ff;border-radius:15px}
.contact-item strong{display:block;color:var(--navy)}
.contact-item span,.contact-item a{color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;color:#33415f}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #d8e1f2;background:#fbfcff;border-radius:12px;padding:13px 14px;outline:none;color:var(--text)
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(21,87,255,.09)}
.field textarea{min-height:125px;resize:vertical}
.form-note{font-size:14px;color:var(--muted);margin:12px 0 0}
.map-box{margin-top:24px;border-radius:20px;overflow:hidden;border:1px solid var(--border);background:linear-gradient(135deg,#eaf0ff,#f8fbff);padding:30px;text-align:center}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start}
.prose{font-size:18px}
.prose h2{font-size:32px;line-height:1.25;color:var(--navy);margin:45px 0 14px}
.prose h3{font-size:24px;color:var(--navy);margin:30px 0 10px}
.prose p{color:#465570;margin:0 0 19px}
.prose ul,.prose ol{color:#465570;padding-left:23px}
.prose li{margin-bottom:8px}
.prose a:not(.btn){color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.prose blockquote{margin:28px 0;padding:20px 22px;border-left:5px solid var(--accent);background:#fff8d7;border-radius:0 15px 15px 0;color:#4b4223}
.article-hero-img{width:100%;max-height:460px;object-fit:cover;border-radius:24px;margin:25px 0 35px;border:1px solid var(--border)}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;color:#71809c;margin-top:20px}
.toc,.side-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px;position:sticky;top:105px}
.toc h3,.side-card h3{margin:0 0 14px;color:var(--navy)}
.toc a{display:block;padding:7px 0;color:#52617f;font-size:15px}
.toc a:hover{color:var(--primary)}
.note-box{padding:20px;border-radius:16px;background:#edf5ff;border:1px solid #d6e8ff;margin:25px 0}
.cta-inline{padding:28px;border-radius:22px;background:linear-gradient(135deg,#0b1f52,#1557ff);color:#fff;margin:35px 0}
.cta-inline h3{color:#fff;margin-top:0}
.cta-inline p{color:#dce6ff}
.external-links{display:grid;gap:10px}
.external-links a{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:12px;background:#f3f6fc;color:#354461}
.external-links a:hover{background:#e7edff;color:var(--primary)}
.blog-index-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}
@media (max-width:1050px){
  .nav-links{position:fixed;inset:80px 0 auto 0;background:#fff;padding:18px 16px 25px;border-bottom:1px solid var(--border);display:none;flex-direction:column;align-items:stretch;box-shadow:0 20px 40px rgba(0,0,0,.1)}
  .nav-links.open{display:flex}
  .nav-links>a,.nav-dropdown>button{text-align:left;width:100%}
  .dropdown-menu{position:static;width:auto;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;margin:5px 0 0 15px}
  .nav-dropdown.open .dropdown-menu{display:block}
  .menu-btn{display:grid;place-items:center}
  .nav-actions .btn{display:none}
  .hero-grid{grid-template-columns:1fr .8fr;gap:35px}
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:1/-1}
  .article-layout{grid-template-columns:1fr}
  .toc,.side-card{position:static}
}
@media (max-width:780px){
  body{font-size:16px}
  .topbar-inner{padding:8px 0;justify-content:center}
  .topbar-items .address-top{display:none}
  .topbar-social{display:none}
  .nav-wrap{height:70px}
  .nav-links{inset:70px 0 auto 0}
  .brand-copy strong{font-size:16px}
  .brand-copy span{font-size:11px}
  .brand-icon{width:43px;height:43px}
  .hero{min-height:auto}
  .hero-grid{grid-template-columns:1fr;padding:75px 0 90px}
  .hero h1{font-size:48px}
  .hero-card{margin:0;max-width:100%}
  .hero-card img{aspect-ratio:4/3.65;object-position:top}
  .hero-card-badge{left:12px;bottom:30px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2)::after{display:none}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--border)}
  .section{padding:70px 0}
  .about-grid,.poster-grid,.about-page-grid,.contact-grid{grid-template-columns:1fr;gap:38px}
  .about-visual-main img{height:400px}
  .about-float{right:15px}
  .course-grid,.blog-grid,.blog-index-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after{display:none}
  .feature-grid{grid-template-columns:1fr 1fr}
  .cta-box{grid-template-columns:1fr;padding:38px 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}
  .footer-bottom{flex-direction:column}
  .course-detail{grid-template-columns:70px 1fr}
  .course-detail>.btn{grid-column:1/-1}
  .gallery{grid-template-columns:1fr}
  .gallery img,.gallery img.tall{height:350px;grid-row:auto}
  .values-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
}
@media (max-width:520px){
  :root{--container:min(100% - 22px,1160px)}
  .hero h1{font-size:39px}
  .hero-lead{font-size:18px}
  .hero-actions .btn{width:100%}
  .hero-points{display:grid;gap:10px}
  .stats{margin-inline:4px}
  .stat{padding:20px 12px}
  .stat strong{font-size:25px}
  .section-title{font-size:34px}
  .course-grid,.feature-grid,.steps{grid-template-columns:1fr}
  .step::after{display:none}
  .about-visual-main img{height:330px}
  .about-float{position:static;width:100%;margin-top:15px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid>div{grid-column:auto!important}
  .page-hero{padding:65px 0}
  .page-hero h1{font-size:39px}
  .course-detail{grid-template-columns:1fr}
  .course-detail-icon{width:64px;height:64px}
  .contact-card,.form-card{padding:23px}
  .whatsapp-float{right:15px;bottom:15px;width:54px;height:54px}
}


.blog-index-grid{grid-template-columns:repeat(3,1fr)}
.blog-cover.topic-cover{height:220px;display:flex;align-items:flex-end;padding:26px;background:linear-gradient(135deg,#071844,#1557ff);color:#fff}
.blog-cover.topic-cover.alt-1{background:linear-gradient(135deg,#0b2a45,#0aa7b5)}
.blog-cover.topic-cover.alt-2{background:linear-gradient(135deg,#34104c,#8c35d5)}
.blog-cover.topic-cover.alt-3{background:linear-gradient(135deg,#3d2400,#f08b00)}
.blog-cover.topic-cover.alt-4{background:linear-gradient(135deg,#05361f,#11a56a)}
.blog-cover.topic-cover span{font:800 30px/1.15 Inter,sans-serif;max-width:95%;letter-spacing:-.8px}
.article-credit{margin:42px 0 0;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:0 12px 35px rgba(10,39,110,.07)}
.article-credit h3{margin:0 0 8px;color:var(--navy)}
.article-credit p{margin:0;color:#52617f}
.article-credit a{font-weight:700}
.related-articles{display:grid;gap:10px;margin-top:18px}
.related-articles a{padding:11px 13px;border-radius:11px;background:#f3f6fc;color:#354461}
.related-articles a:hover{background:#e7edff;color:var(--primary)}
.language-badge{display:inline-flex;padding:4px 9px;border-radius:999px;background:#edf2ff;color:#35518c;font-size:12px;font-weight:800}
@media (max-width:1050px){.blog-index-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){.blog-index-grid{grid-template-columns:1fr}}