/* ---------- Variables & Base ---------- */
:root{
  --bg: #f6f9fc;
  --card: #ffffff;
  --brand: #0b63a7; /* primary blue */
  --brand-2: #1e8ad1; /* gradient accent */
  --muted: #6b7280;
  --accent: #ffb020; /* warm accent */
  --radius: 14px;
  --container: 1100px;
  --text: #0f1724;
  --soft-shadow: 0 8px 30px rgba(12,60,97,0.06);
  color-scheme: light;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.48;
  font-size:16px;
}

.container{max-width:var(--container);margin:0 auto;padding:0 1rem}

/* Utility */
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* Skip link */
.skip-link{
  position:fixed;left:1rem;top:1rem;background:var(--brand);color:#fff;padding:.5rem .75rem;border-radius:8px;z-index:9999;transform:translateY(-120%);transition:transform .18s ease-in-out;}
.skip-link:focus{transform:translateY(0);outline:3px solid #fff}

/* Focus-visible for accessibility */
:focus{outline: none}
:focus-visible{outline:3px solid rgba(11,99,167,0.15);outline-offset:3px;border-radius:8px}

/* ---------- Header / Nav ---------- */
.site-header{
  background: #fff;
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid rgba(12,60,97,0.06);
  backdrop-filter: blur(4px);
}
.header-inner{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:.9rem 0}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:inherit}
.brand-logo{height:48px;width:48px;object-fit:contain;border-radius:10px}
.brand-text{font-weight:700;color:var(--brand);font-size:1.05rem}

.primary-nav{display:block}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:.35rem;align-items:center}
.nav-link{display:inline-block;padding:.5rem .8rem;border-radius:10px;color:var(--text);text-decoration:none;font-weight:600;transition:all .16s ease}
.nav-link:hover{background:linear-gradient(90deg, rgba(14,76,127,0.06), rgba(30,138,209,0.03));color:var(--brand)}
.nav-link.active{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 6px 20px rgba(11,99,167,0.12)}

.header-actions{display:flex;gap:.5rem}
.btn{display:inline-block;padding:.6rem .95rem;border-radius:10px;text-decoration:none;font-weight:700}
.btn-primary{background:var(--brand);color:#fff}
.btn-accent{background:var(--accent);color:#072029}
.btn-ghost{background:transparent;border:1px solid rgba(12,60,97,0.06)}

/* Mobile nav toggle */
.nav-toggle{display:none;background:transparent;border:0;padding:.25rem;border-radius:8px}
.hamburger{width:20px;height:2px;background:var(--text);display:block;position:relative;border-radius:2px;transition:transform .18s ease}
.hamburger::before,.hamburger::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--text);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.hamburger::before{top:-6px}
.hamburger::after{bottom:-6px}
.nav-toggle[aria-expanded="true"] .hamburger{background:transparent}
.nav-toggle[aria-expanded="true"] .hamburger::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .hamburger::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero / Page header ---------- */
.page-hero{background:linear-gradient(180deg, rgba(11,99,167,0.03), transparent 40%);border-radius:12px;padding:3.5rem 0}
.hero-inner{display:grid;grid-template-columns:1fr 480px;gap:2rem;align-items:center}
.hero-copy{padding-right:1rem}
.hero-copy h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:0;color:var(--brand)}
.hero-copy p.lead{max-width:54ch;color:var(--muted);margin-top:.75rem}
.subtitle{color:var(--brand-2);font-weight:600;margin-top:.45rem}
.hero-media .hero-image{width:100%;border-radius:14px;box-shadow:0 20px 50px rgba(12,60,97,0.08);object-fit:cover}

/* ---------- Teachers grid ---------- */
.teachers-section{padding:2.2rem 0}
.teachers-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-top:1rem}
.teacher-card{background:var(--card);border-radius:12px;padding:1rem;display:flex;align-items:center;gap:1rem;box-shadow:var(--soft-shadow);transition:transform .18s ease,box-shadow .18s ease}
.teacher-card:hover{transform:translateY(-6px);box-shadow:0 18px 48px rgba(12,60,97,0.09)}
.teacher-photo{width:92px;height:92px;border-radius:12px;object-fit:cover;flex-shrink:0}
.teacher-info h3{margin:0 0 .25rem 0;font-size:1.05rem;color:var(--brand)}
.teacher-info p{margin:0;color:var(--muted)}

/* Card variant for long bios (stack on small screens) */
@media(min-width:900px){
  .teacher-card{padding:1.25rem}
}
@media(max-width:680px){
  .teacher-card{flex-direction:column;align-items:flex-start}
  .teacher-photo{width:100%;height:auto;border-radius:10px}
}

/* ---------- Stats / Testimonials / CTA ---------- */
.stats{display:flex;gap:1rem;justify-content:space-between;margin-top:1.5rem}
.stat{background:var(--card);padding:1rem;border-radius:12px;flex:1;text-align:center;box-shadow:var(--soft-shadow)}
.stat h3{margin:0;color:var(--brand);font-size:1.25rem}
.stat p{margin:.35rem 0 0;color:var(--muted)}

.testimonials{padding:2rem 0;margin-top:1.5rem}
.testimonial-card{position:relative}
.testimonial-card::before{content:'"';position:absolute;left:12px;top:6px;font-size:3rem;color:rgba(11,99,167,0.06);font-weight:700}
.testimonial-card{background:linear-gradient(180deg,rgba(11,99,167,0.04),rgba(30,138,209,0.02));padding:1rem;border-radius:12px;box-shadow:var(--soft-shadow)}
.testimonial-meta{display:flex;gap:.75rem;align-items:center}
.testimonial-meta img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.testimonial-text{margin-top:.5rem;color:var(--muted)}

.cta-hero{margin-top:2rem;padding:1.25rem;border-radius:12px;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;text-align:center}
.cta-hero .btn{background:#fff;color:var(--brand);font-weight:700}

/* ---------- Contact / footer ---------- */
.contact{padding:2rem 0}
.contact-card{background:var(--card);padding:1.25rem;border-radius:12px;box-shadow:var(--soft-shadow);text-align:center}
.contact-card a{color:var(--brand)}

.site-footer{background:linear-gradient(180deg,#072b45 0%,#0b63a7 100%);color:#fff;padding:2rem 0;margin-top:3rem}
.footer-inner{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;align-items:start}
.footer-logo{height:40px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin:.35rem 0}
.footer-links a{color:rgba(255,255,255,0.95);text-decoration:none}
.footer-bottom{text-align:center;padding-top:1rem;border-top:1px solid rgba(255,255,255,0.06)}

/* ---------- Events specific styles ---------- */
.events-section{padding:2.2rem 0}
.events-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-top:1rem}
.event-card{background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--soft-shadow);transition:transform .18s ease,box-shadow .18s ease;padding:0}
.event-card:hover{transform:translateY(-6px);box-shadow:0 18px 48px rgba(12,60,97,0.09)}
.event-card .card-media{width:100%;height:160px;object-fit:cover;display:block}
.event-card .card-body{padding:1rem}
.event-card h3{margin:.25rem 0;color:var(--brand)}
.event-card p{margin:0;color:var(--muted)}
.event-date{position:absolute;left:1rem;top:1rem;background:var(--brand);color:#fff;padding:.35rem .6rem;border-radius:8px;font-weight:700;font-size:.9rem}
.event-figure{position:relative}

@media(max-width:680px){
  .event-date{position:static;margin:.6rem;padding:.45rem .7rem}
}

/* ---------- Info / Media / FAQ styles ---------- */
.info-section{padding:2.2rem 0}
.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.info-card{background:var(--card);padding:1rem;border-radius:12px;box-shadow:var(--soft-shadow)}

.media-section{padding:2rem 0}
.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin-top:1rem}
.media-grid img{width:100%;height:140px;object-fit:cover;border-radius:10px}
.video-container{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1rem}
.video-wrapper{flex:1 1 320px;max-width:480px;min-width:240px;position:relative}
.video-wrapper::before{content:"";display:block;padding-top:56.25% /* 16:9 */}
.video-wrapper video{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:10px;object-fit:cover;box-shadow:var(--soft-shadow)}

/* FAQ accordion */
.faq{margin-top:1rem}
.faq-item{background:var(--card);border-radius:10px;margin-bottom:.5rem;overflow:hidden;box-shadow:var(--soft-shadow)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:1rem;cursor:pointer}
.faq-answer{padding:0 1rem 1rem 1rem;display:none;color:var(--muted)}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question{background:linear-gradient(90deg, rgba(11,99,167,0.04), rgba(30,138,209,0.02))}

@media(max-width:680px){
  .video-container{flex-direction:column}
}

/* ---------- About page styles ---------- */
.about-hero{padding:3rem 0}
.about-grid{display:grid;grid-template-columns:220px 1fr;gap:1rem;align-items:center}
.about-photo{width:220px;height:220px;border-radius:12px;object-fit:cover}

.mission{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.mission-card{background:var(--card);padding:1rem;border-radius:12px;box-shadow:var(--soft-shadow)}

.timeline{margin-top:1.5rem}
.timeline-item{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1rem}
.timeline-item .dot{width:12px;height:12px;border-radius:50%;background:var(--brand);margin-top:6px}

.team{padding:2rem 0}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.team-card{background:var(--card);padding:1rem;border-radius:12px;display:flex;gap:1rem;align-items:center;box-shadow:var(--soft-shadow)}
.team-photo{width:92px;height:92px;border-radius:12px;object-fit:cover}

@media(max-width:780px){
  .about-grid{grid-template-columns:1fr}
  .about-photo{width:100%;height:auto}
}

/* ---------- Responsive behavior ---------- */
@media (max-width:900px){
  .nav-list{display:none}
  .nav-toggle{display:block}
  .primary-nav.open .nav-list{display:flex;flex-direction:column;gap:.5rem;background:#fff;padding:1rem;border-radius:12px;position:absolute;top:72px;right:1rem;box-shadow:0 12px 40px rgba(12,60,97,0.12);min-width:220px}
  .footer-inner{grid-template-columns:1fr}
}

/* ---------- Visual polish ---------- */
:root{--transition-fast: 150ms;--transition:250ms}

/* smooth transitions for interactive elements */
.btn, .nav-link, .card, .teacher-card, .event-card {transition: transform var(--transition-fast) ease, box-shadow var(--transition) ease, opacity var(--transition) ease}

/* refined button styles */
.btn{border:0}
.btn-primary{box-shadow:0 8px 30px rgba(11,99,167,0.12)}
.btn-primary:hover{transform:translateY(-3px)}
.btn-accent{box-shadow:0 6px 22px rgba(255,176,32,0.12)}
.btn-ghost{border:1px solid rgba(11,99,167,0.08)}
.btn:focus{outline:3px solid rgba(11,99,167,0.12);outline-offset:3px}

/* hero overlay */
.hero-media{position:relative}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%, rgba(7,38,59,0.04) 60%);border-radius:14px;pointer-events:none}

/* card hover gradient */
.card:hover, .teacher-card:hover, .event-card:hover{transform:translateY(-6px)}
.card:hover::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg, rgba(11,99,167,0.02), rgba(30,138,209,0.02));border-radius:12px}

/* improve focus for nav links */
.nav-link:focus{box-shadow:0 6px 20px rgba(11,99,167,0.08)}

/* smaller screens adjustments */
@media(max-width:520px){
  .hero-copy h1{font-size:1.5rem}
}

/* ---------- Extra polish: hero gradient, feature icons, card overlay, testimonials ---------- */
.page-hero{background:linear-gradient(180deg, rgba(11,99,167,0.03), transparent 40%);border-radius:12px;padding:3.5rem 0}
.hero-copy{padding-right:1rem}
.subtitle{color:var(--brand-2);font-weight:600;margin-top:.45rem}

.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;margin-right:.6rem;flex-shrink:0;font-size:1.05rem}
.card{position:relative;overflow:visible}
.card .card-body{position:relative;z-index:2}
.card::after{content:"";position:absolute;inset:0;border-radius:12px;pointer-events:none;transition:opacity var(--transition)}
.card:hover::after{opacity:1}

/* subtle quote mark for testimonials */
.testimonial-card{position:relative}
.testimonial-card::before{content:'"';position:absolute;left:12px;top:6px;font-size:3rem;color:rgba(11,99,167,0.06);font-weight:700}

/* Services: image + body layout */
.services-grid .card{display:flex;align-items:center;gap:1rem;padding:1rem;min-height:120px}
.service-media{flex:0 0 120px}
.service-img{width:120px;height:80px;object-fit:cover;border-radius:10px;display:block;box-shadow:var(--soft-shadow)}

@media(max-width:680px){
  .services-grid .card{flex-direction:column;align-items:flex-start}
  .service-media{width:100%;flex:0 0 auto}
  .service-img{width:100%;height:160px}
}

/* make services grid a little tighter on wide screens */
@media(min-width:1100px){
  .services-grid{grid-template-columns:repeat(4,1fr)}
}