/* ================= Ogrogami Academy — Design Tokens ================= */
:root{
  --color-primary:#1CA3E0;
  --color-primary-dark:#0F7EB0;
  --color-primary-darker:#0B6E97;
  --color-primary-light:#E8F6FC;
  --color-navy:#0B1E2D;
  --color-accent:#FFC947;
  --color-white:#FFFFFF;
  --color-text:#38424D;
  --color-muted:#6C7A85;
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:28px;
  --container:1200px;
  --font-en:'Poppins', sans-serif;
  --font-bn:'Hind Siliguri', sans-serif;
  --shadow-card:0 10px 30px rgba(11,30,45,0.08);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-bn), var(--font-en);
  color:var(--color-text);
  background:var(--color-white);
  line-height:1.65;
}
:lang(en) body, .lang-en body{font-family:var(--font-en);}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{color:var(--color-navy);margin:0 0 .5em;line-height:1.25;font-weight:700;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-tight{padding:50px 0;}
.text-center{text-align:center;}
.eyebrow{
  display:inline-block;color:var(--color-primary-dark);background:var(--color-primary-light);
  font-weight:600;font-size:.85rem;letter-spacing:.06em;padding:6px 16px;border-radius:999px;margin-bottom:14px;
}
.section-title{font-size:clamp(1.6rem,3vw,2.4rem);}
.section-sub{color:var(--color-muted);max-width:640px;margin:0 auto 40px;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:999px;
  font-weight:600;transition:all .2s ease;border:2px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--color-primary);color:#fff;}
.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);}
.btn-outline{border-color:var(--color-navy);color:var(--color-navy);}
.btn-outline:hover{background:var(--color-navy);color:#fff;}
.btn-accent{background:var(--color-accent);color:var(--color-navy);}
.btn-accent:hover{filter:brightness(0.95);transform:translateY(-2px);}

/* ============ Top bar ============ */
.topbar{background:var(--color-navy);color:#cfe9f5;font-size:.85rem;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:8px;}
.topbar a{color:#cfe9f5;}
.topbar-left{display:flex;gap:24px;flex-wrap:wrap;}
.topbar-left span, .topbar-left a{display:inline-flex;align-items:center;gap:6px;}
.lang-switch{display:flex;gap:4px;background:rgba(255,255,255,.08);border-radius:999px;padding:3px;}
.lang-switch a{padding:4px 12px;border-radius:999px;font-weight:600;}
.lang-switch a.active{background:var(--color-primary);color:#fff;}

/* ============ Header ============ */
.site-header{position:sticky;top:0;background:#fff;z-index:999;box-shadow:0 2px 12px rgba(11,30,45,.06);}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;gap:24px;}
.site-branding{display:flex;align-items:center;gap:10px;}
.site-branding img{max-height:52px;width:auto;}
.site-branding .site-title{font-size:1.3rem;font-weight:800;color:var(--color-navy);}
.main-nav ul{display:flex;gap:30px;align-items:center;}
.main-nav a{font-weight:600;color:var(--color-navy);}
.main-nav a:hover{color:var(--color-primary);}
.header-cta{display:flex;align-items:center;gap:14px;}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--color-navy);cursor:pointer;}

/* ============ Hero ============ */
.hero{background:linear-gradient(180deg,var(--color-primary-light) 0%, #fff 100%);overflow:hidden;position:relative;}
.hero .container{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding-top:70px;padding-bottom:70px;}
.hero h1{font-size:clamp(2rem,4vw,3.2rem);}
.hero p.lead{font-size:1.1rem;color:var(--color-muted);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:30px;}
.hero-badges{display:flex;gap:26px;flex-wrap:wrap;}
.hero-badge{display:flex;align-items:center;gap:10px;}
.hero-badge .num{font-weight:800;color:var(--color-navy);font-size:1.15rem;}
.hero-badge .label{font-size:.8rem;color:var(--color-muted);}
.hero-visual{position:relative;}
.hero-visual img{margin:0 auto;}
.blob{position:absolute;border-radius:50%;background:var(--color-accent);opacity:.25;z-index:0;}

/* ============ Stats bar ============ */
.stats-bar{background:var(--color-primary);}
.stats-bar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:36px;padding-bottom:36px;}
.stat-item{display:flex;align-items:center;gap:14px;color:#fff;}
.stat-icon{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;}
.stat-num{font-size:1.5rem;font-weight:800;}
.stat-label{font-size:.85rem;opacity:.9;}

/* ============ Categories ============ */
.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:22px;}
.category-card{
  background:#fff;border:1px solid #EAF3F8;border-radius:var(--radius-md);padding:28px 20px;text-align:center;
  box-shadow:var(--shadow-card);transition:transform .2s ease,border-color .2s ease;
}
.category-card:hover{transform:translateY(-6px);border-color:var(--color-primary);}
.category-icon{
  width:64px;height:64px;border-radius:18px;background:var(--color-primary-light);color:var(--color-primary-dark);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.8rem;
}
.category-icon img{width:40px;height:40px;object-fit:contain;}
.category-card h3{font-size:1.05rem;margin-bottom:6px;}
.category-card span{color:var(--color-muted);font-size:.85rem;}

/* ============ About ============ */
.about-section{background:var(--color-navy);color:#dfeef7;position:relative;overflow:hidden;}
.about-section .eyebrow{background:rgba(255,255,255,.08);color:var(--color-accent);}
.about-section h2{color:#fff;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.about-grid{grid-template-columns:1.05fr 0.9fr 1fr;}
.about-visual{display:flex;justify-content:center;}
.about-visual img{width:100%;max-width:300px;height:auto;}
@media(max-width:960px){.about-visual{display:none;}}
.about-features{display:grid;gap:16px;margin:26px 0;}
.about-feature{display:flex;gap:14px;align-items:flex-start;}
.about-feature .ico{width:40px;height:40px;border-radius:10px;background:var(--color-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.about-counters{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:20px;}
.counter{background:rgba(255,255,255,.06);border-radius:var(--radius-md);padding:24px;text-align:center;}
.counter .num{font-size:2rem;font-weight:800;color:var(--color-accent);}
.counter .label{font-size:.85rem;color:#bcd6e4;margin-top:4px;}

/* ============ Courses ============ */
.courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;}
.course-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid #EAF3F8;transition:transform .2s ease;}
.course-card:hover{transform:translateY(-6px);}
.course-thumb{position:relative;aspect-ratio:16/10;background:var(--color-primary-light);overflow:hidden;}
.course-thumb img{width:100%;height:100%;object-fit:cover;}
.course-cat-badge{position:absolute;top:14px;left:14px;background:var(--color-accent);color:var(--color-navy);font-size:.75rem;font-weight:700;padding:5px 12px;border-radius:999px;}
.course-body{padding:20px;}
.course-meta{display:flex;justify-content:space-between;font-size:.8rem;color:var(--color-muted);margin-bottom:10px;}
.course-title{font-size:1.05rem;margin-bottom:10px;}
.course-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #EEF4F8;padding-top:14px;margin-top:14px;}
.course-price{font-weight:800;color:var(--color-primary-dark);}

/* ============ Why choose us ============ */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.feature-card{padding:30px 24px;border-radius:var(--radius-md);background:var(--color-primary-light);}
.feature-card .ico{width:56px;height:56px;border-radius:14px;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:18px;}

/* ============ Instructors ============ */
.instructors-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px;}
.instructor-card{text-align:center;}
.instructor-photo{border-radius:50%;overflow:hidden;width:160px;height:160px;margin:0 auto 16px;box-shadow:var(--shadow-card);}.instructor-photo img{width:100%;height:100%;object-fit:cover;}
.instructor-name{font-weight:700;}
.instructor-role{color:var(--color-muted);font-size:.85rem;}

/* ============ Testimonials ============ */
.testimonials-section{background:var(--color-primary-light);}
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}
.testimonial-card{background:#fff;padding:28px;border-radius:var(--radius-md);box-shadow:var(--shadow-card);}
.testimonial-quote{color:var(--color-muted);margin-bottom:20px;}
.testimonial-person{display:flex;align-items:center;gap:12px;}
.testimonial-person img{width:48px;height:48px;border-radius:50%;object-fit:cover;}

/* ============ CTA banner ============ */
.cta-banner{background:linear-gradient(120deg,var(--color-primary),var(--color-primary-darker));color:#fff;border-radius:var(--radius-lg);padding:60px;text-align:center;margin:0 24px;}
.cta-banner h2{color:#fff;}

/* ============ Blog ============ */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;}
.blog-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid #EAF3F8;}
.blog-thumb{aspect-ratio:16/10;background:var(--color-primary-light);overflow:hidden;}
.blog-thumb img{width:100%;height:100%;object-fit:cover;}
.blog-body{padding:20px;}
.blog-date{font-size:.8rem;color:var(--color-muted);margin-bottom:8px;}

/* ============ Footer ============ */
.site-footer{background:var(--color-navy);color:#bcd6e4;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:70px 0 40px;}
.footer-col h4{color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a:hover{color:var(--color-accent);}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo img{max-height:44px;}
.footer-newsletter{display:flex;margin-top:14px;}
.footer-newsletter input{flex:1;border:0;border-radius:999px 0 0 999px;padding:12px 18px;}
.footer-newsletter button{border-radius:0 999px 999px 0;border:0;background:var(--color-accent);padding:0 20px;font-weight:700;cursor:pointer;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;}
.social-icons{display:flex;gap:10px;}
.social-icons a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;}
.social-icons a:hover{background:var(--color-primary);}

/* ============ Responsive ============ */
@media (max-width:960px){
  .hero .container,.about-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .stats-bar .container{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .main-nav{position:fixed;top:0;right:-100%;height:100vh;width:280px;background:#fff;box-shadow:-10px 0 30px rgba(0,0,0,.1);transition:right .3s ease;padding:90px 24px;z-index:1000;}
  .main-nav.open{right:0;}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:18px;}
  .menu-toggle{display:block;}
  .footer-top{grid-template-columns:1fr;}
  .about-counters,.stats-bar .container{grid-template-columns:1fr 1fr;}
  .cta-banner{padding:40px 24px;}
}