/* =====================================================
   ROOT VARIABLES - DARK SHARP THEME
===================================================== */
:root{
  --bg-dark:#0a0e17;
  --bg-dark-2:#0f1524;
  --bg-card:#131a2b;
  --bg-card-alt:#1a2338;
  --accent-red:#e63946;
  --accent-red-hover:#ff4d5e;
  --accent-cyan:#00b4d8;
  --accent-cyan-hover:#48cae4;
  --accent-gold:#ffc233;
  --text-light:#f1f3f8;
  --text-muted:#a6adc4;
  --border-soft:rgba(255,255,255,0.08);
  --shadow-glow:0 0 25px rgba(0,180,216,0.25);
  --radius:14px;
  --transition:all .35s cubic-bezier(.4,0,.2,1);
  --header-h:78px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Poppins',sans-serif;
  background:var(--bg-dark);
  color:var(--text-light);
  overflow-x:hidden;
  position:relative;
}
h1,h2,h3,h4{font-family:'Sora',sans-serif;font-weight:700;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}

/* =====================================================
   GLOBAL VIDEO BACKGROUND (behind every page)
===================================================== */
.global-video-bg{
  position:fixed;inset:0;z-index:-2;overflow:hidden;
}
.global-video-bg video{
  width:100%;height:100%;object-fit:cover;filter:brightness(0.35) saturate(1.1);
}
.global-video-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,23,.85) 0%,rgba(10,14,23,.94) 100%);
}

/* =====================================================
   HEADER
===================================================== */
.site-header{
  position:sticky;top:0;left:0;width:100%;z-index:1000;
  height:var(--header-h);
  background:rgba(10,14,23,0.75);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
  transition:var(--transition);
}
.site-header.scrolled{
  background:rgba(10,14,23,0.95);
  box-shadow:0 6px 24px rgba(0,0,0,.4);
}
.header-inner{
  max-width:1400px;margin:0 auto;height:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 32px;gap:24px;
}
.logo-block{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-img{width:44px;height:44px;object-fit:contain;}
.logo-text{font-family:'Sora',sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:.3px;
  background:linear-gradient(90deg,var(--accent-cyan),var(--accent-red));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.main-nav ul{display:flex;align-items:center;gap:6px;}
.nav-item{position:relative;}
.nav-item > a, .nav-item > .nav-parent-label{
  display:inline-block;padding:12px 18px;font-weight:500;font-size:.95rem;
  color:var(--text-light);border-radius:8px;transition:var(--transition);cursor:pointer;
}
.nav-item > a:hover, .nav-item.has-dropdown:hover > .nav-parent-label{
  background:rgba(0,180,216,.12);color:var(--accent-cyan);
}
.nav-item .dropdown{
  position:absolute;top:100%;right:0;min-width:220px;
  background:var(--bg-card);border:1px solid var(--border-soft);border-radius:10px;
  padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:var(--transition);box-shadow:0 20px 40px rgba(0,0,0,.5);
}
.nav-item.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown li a{display:block;padding:10px 14px;border-radius:6px;font-size:.9rem;}
.dropdown li a:hover{background:rgba(230,57,70,.15);color:var(--accent-red-hover);padding-left:20px;}

.btn-header-cta{
  flex-shrink:0;padding:11px 22px;border-radius:8px;font-weight:600;font-size:.88rem;
  background:var(--accent-red);color:#fff;transition:var(--transition);
}
.btn-header-cta:hover{background:var(--accent-red-hover);box-shadow:0 8px 20px rgba(230,57,70,.4);transform:translateY(-2px);}

.nav-toggle{display:none;flex-direction:column;gap:5px;z-index:1100;}
.nav-toggle span{width:26px;height:2.5px;background:#fff;border-radius:2px;transition:var(--transition);}

/* =====================================================
   BUTTONS (generic)
===================================================== */
.btn{display:inline-block;padding:14px 26px;border-radius:8px;font-weight:600;font-size:.9rem;
  letter-spacing:.4px;transition:var(--transition);cursor:pointer;}
.btn-outline{border:2px solid var(--accent-cyan);color:var(--accent-cyan);background:transparent;}
.btn-outline:hover{background:var(--accent-cyan);color:#04101c;box-shadow:var(--shadow-glow);}
.btn-hero-1{background:var(--btn-color,var(--accent-red));color:#fff;}
.btn-hero-1:hover{background:var(--btn-hover,var(--accent-red-hover));transform:translateY(-3px);box-shadow:0 10px 24px rgba(230,57,70,.4);}
.btn-hero-2{background:var(--btn-color,var(--accent-cyan));color:#04101c;}
.btn-hero-2:hover{background:var(--btn-hover,var(--accent-cyan-hover));transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,180,216,.4);}

/* =====================================================
   HERO
===================================================== */
.hero-section{
  position:relative;min-height:calc(100vh - var(--header-h));
  display:flex;align-items:center;justify-content:flex-end;
  overflow:hidden;padding:60px 8%;
}
.hero-bg-slider{position:absolute;inset:0;z-index:0;}
.hero-bg-slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;animation:heroSlide 20s infinite;
}
.hero-bg-slide:nth-child(1){animation-delay:0s;}
.hero-bg-slide:nth-child(2){animation-delay:5s;}
.hero-bg-slide:nth-child(3){animation-delay:10s;}
.hero-bg-slide:nth-child(4){animation-delay:15s;}
@keyframes heroSlide{
  0%{opacity:0;transform:scale(1.1) translateX(-2%);}
  8%{opacity:1;transform:scale(1) translateX(0);}
  25%{opacity:1;transform:scale(1) translateX(2%);}
  33%{opacity:0;transform:scale(1.1) translateX(4%);}
  100%{opacity:0;}
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(115deg,rgba(10,14,23,.96) 30%,rgba(10,14,23,.55) 100%);z-index:1;}
.hero-content{position:relative;z-index:2;max-width:640px;text-align:right;}
.hero-title{font-size:3.2rem;line-height:1.15;margin-bottom:18px;color:#fff;}
.hero-oscillator{
  height:2.4rem;display:flex;justify-content:flex-end;align-items:center;
  font-size:1.4rem;font-weight:600;color:var(--accent-cyan);margin-bottom:20px;overflow:hidden;
}
.osc-text{white-space:nowrap;}
.osc-cursor{animation:blink 0.8s infinite;margin-left:2px;color:var(--accent-red);}
@keyframes blink{50%{opacity:0;}}
.hero-description{font-size:1.05rem;color:var(--text-muted);margin-bottom:14px;}
.hero-slogan{font-size:1.25rem;font-weight:700;font-style:italic;color:var(--accent-gold);margin-bottom:30px;}
.hero-buttons{display:flex;gap:16px;justify-content:flex-end;flex-wrap:wrap;}

/* =====================================================
   SECTIONS / GENERIC
===================================================== */
.section{padding:100px 6%;position:relative;}
.section-title{
  text-align:center;font-size:2.2rem;margin-bottom:50px;position:relative;color:#fff;
}
.section-title::after{
  content:'';display:block;width:70px;height:4px;margin:14px auto 0;
  background:linear-gradient(90deg,var(--accent-red),var(--accent-cyan));border-radius:4px;
}
.grid-container{display:grid;gap:28px;}
.subjects-grid,.students-grid,.blog-grid,.reviews-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
.why-us-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.counter-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));text-align:center;}
.center-btn{text-align:center;margin-top:40px;}

/* CARD - scroll bg-color shift effect applied via JS class .in-view */
.card{
  background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);
  overflow:hidden;transition:var(--transition);
}
.card:hover{transform:translateY(-10px);background:var(--bg-card-alt);box-shadow:0 20px 40px rgba(0,0,0,.5);border-color:var(--accent-cyan);}
.card-img{height:190px;overflow:hidden;}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.card:hover .card-img img{transform:scale(1.12);}
.card-body{padding:22px;}
.card-body h3{margin-bottom:10px;font-size:1.15rem;}
.card-body p{color:var(--text-muted);font-size:.92rem;margin-bottom:18px;line-height:1.6;}

.student-card{position:relative;height:260px;border-radius:var(--radius);overflow:hidden;}
.student-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.student-card:hover img{transform:scale(1.15);}
.card-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;
  background:linear-gradient(0deg,rgba(0,0,0,.9) 10%,transparent 70%);
}
.card-overlay p{color:var(--text-muted);font-size:.85rem;}

.why-card{padding:34px 26px;text-align:center;}
.why-card i{font-size:2.4rem;color:var(--accent-cyan);margin-bottom:16px;}
.why-card:hover i{color:var(--accent-red);transform:scale(1.1);}

/* HOW WE OPERATE */
.operate-steps{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;}
.operate-step{
  flex:1 1 220px;max-width:260px;background:var(--bg-card);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:30px 22px;text-align:center;position:relative;transition:var(--transition);
}
.operate-step:hover{background:var(--bg-card-alt);transform:translateY(-8px);}
.step-number{
  position:absolute;top:-16px;left:50%;transform:translateX(-50%);
  width:34px;height:34px;border-radius:50%;background:var(--accent-red);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;
}
.operate-step i{font-size:2rem;color:var(--accent-cyan);margin:14px 0;}

/* COUNTERS */
.counter-box{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:34px 16px;transition:var(--transition);}
.counter-box:hover{background:var(--bg-card-alt);transform:translateY(-6px);}
.counter-box i{font-size:1.8rem;color:var(--accent-gold);margin-bottom:10px;}
.counter-num{font-size:2.4rem;color:#fff;display:inline;}
.counter-box span{font-size:2.4rem;color:#fff;}
.counter-box p{color:var(--text-muted);margin-top:8px;}

/* CTA SECTION */
.cta-section{
  position:relative;background-size:cover;background-position:center;background-attachment:fixed;
  padding:120px 6%;text-align:center;
}
.cta-overlay{position:absolute;inset:0;background:rgba(10,14,23,.8);}
.cta-content{position:relative;z-index:1;}
.cta-content h2{font-size:2.4rem;color:#fff;margin-bottom:30px;max-width:800px;margin-left:auto;margin-right:auto;}
.cta-content .hero-buttons{justify-content:center;}

/* FAQ */
.faq-accordion{max-width:800px;margin:0 auto;}
.faq-item{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:10px;margin-bottom:14px;overflow:hidden;transition:var(--transition);}
.faq-item:hover{border-color:var(--accent-cyan);}
.faq-question{width:100%;text-align:left;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#fff;}
.faq-question i{transition:transform .3s;}
.faq-item.active .faq-question i{transform:rotate(180deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px;}
.faq-item.active .faq-answer{max-height:300px;padding-bottom:20px;}
.faq-answer p{color:var(--text-muted);line-height:1.7;}

/* REVIEWS */
.review-card{padding:28px;text-align:center;}
.stars i{color:#3a4258;margin:0 2px;}
.stars i.active{color:var(--accent-gold);}
.review-card p{color:var(--text-muted);font-style:italic;margin:16px 0;}
.review-card h4{color:var(--accent-cyan);}

.review-form-wrap{max-width:640px;margin:60px auto 0;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:36px;}
.review-form-wrap h3{margin-bottom:20px;text-align:center;}
.form-row{display:flex;gap:16px;margin-bottom:16px;}
.form-row input,input[type=text],input[type=email],textarea,select{
  width:100%;padding:13px 16px;background:var(--bg-dark-2);border:1px solid var(--border-soft);
  border-radius:8px;color:#fff;font-family:inherit;transition:var(--transition);
}
.form-row input:focus,textarea:focus,input:focus{outline:none;border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(0,180,216,.15);}
textarea{margin-bottom:16px;resize:vertical;}
.rating-select{display:flex;gap:6px;margin-bottom:18px;font-size:1.4rem;}
.rating-select i{color:#3a4258;cursor:pointer;transition:var(--transition);}
.rating-select i.active{color:var(--accent-gold);}
.form-response{margin-top:12px;font-size:.9rem;}
.form-response.success{color:#4ade80;}
.form-response.error{color:var(--accent-red-hover);}

/* =====================================================
   FOOTER
===================================================== */
.site-footer{background:var(--bg-dark-2);border-top:1px solid var(--border-soft);padding:70px 6% 0;}
.footer-inner{
  max-width:1400px;margin:0 auto;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px;
}
.footer-col h4{color:#fff;margin-bottom:18px;font-size:1.05rem;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--text-muted);transition:var(--transition);font-size:.92rem;}
.footer-col ul li a:hover{color:var(--accent-cyan);padding-left:6px;}
.footer-about-text{color:var(--text-muted);margin:16px 0 20px;font-size:.9rem;line-height:1.7;}
.social-icons{display:flex;gap:12px;}
.social-icons a{
  width:38px;height:38px;border-radius:50%;background:var(--bg-card);display:flex;align-items:center;
  justify-content:center;transition:var(--transition);border:1px solid var(--border-soft);
}
.social-icons a:hover{background:var(--accent-red);transform:translateY(-4px);}
.footer-contact li{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:.9rem;}
.footer-contact i{color:var(--accent-cyan);width:16px;}
.footer-bottom{border-top:1px solid var(--border-soft);text-align:center;padding:22px 0;color:var(--text-muted);font-size:.85rem;}

/* BACK TO TOP */
#backToTop{
  position:fixed;bottom:28px;right:28px;width:48px;height:48px;border-radius:50%;
  background:var(--accent-red);color:#fff;font-size:1.1rem;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--transition);z-index:900;
  box-shadow:0 10px 26px rgba(230,57,70,.4);
}
#backToTop.show{opacity:1;visibility:visible;transform:translateY(0);}
#backToTop:hover{background:var(--accent-red-hover);transform:translateY(-6px);}

/* =====================================================
   SCROLL-REVEAL ANIMATIONS
===================================================== */
.reveal{opacity:0;transform:translateY(60px);transition:opacity .8s ease, transform .8s ease;}
.reveal.left{transform:translateX(-80px);}
.reveal.right{transform:translateX(80px);}
.reveal.in-view{opacity:1;transform:translate(0,0);}

/* generic inner page hero (About, Privacy, etc.) */
.page-hero{padding:140px 6% 80px;text-align:center;position:relative;}
.page-hero h1{font-size:2.6rem;color:#fff;margin-bottom:16px;}
.page-hero p{color:var(--text-muted);max-width:700px;margin:0 auto;font-size:1.05rem;}
.page-content{max-width:900px;margin:0 auto;padding:0 6% 100px;color:var(--text-muted);line-height:1.9;}
.page-content h2{color:#fff;margin:34px 0 14px;}

/* PRICING */
.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
.pricing-card{padding:40px 30px;text-align:center;position:relative;}
.pricing-card.featured{border-color:var(--accent-gold);transform:scale(1.04);}
.pricing-card .price{font-size:2.4rem;color:var(--accent-cyan);margin:14px 0;font-weight:800;}
.pricing-card ul{margin:20px 0;text-align:left;}
.pricing-card ul li{padding:8px 0;border-bottom:1px solid var(--border-soft);color:var(--text-muted);font-size:.9rem;}
.pricing-card ul li i{color:var(--accent-cyan);margin-right:8px;}

/* TEAM */
.team-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.team-card{text-align:center;padding:28px 20px;}
.team-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid var(--accent-cyan);}
.team-card h3{margin-bottom:4px;}
.team-card .role{color:var(--accent-gold);font-size:.85rem;margin-bottom:10px;display:block;}

/* CONTACT PAGE */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:1100px;margin:0 auto;padding:0 6% 100px;}
.contact-info-box{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:36px;}
.contact-info-box li{display:flex;gap:14px;align-items:center;margin-bottom:20px;color:var(--text-muted);}
.contact-info-box i{color:var(--accent-cyan);font-size:1.2rem;}
.contact-form-box{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:36px;}

/* PAGINATION */
.pagination{display:flex;justify-content:center;gap:10px;margin-top:40px;}
.pagination a,.pagination span{
  padding:10px 16px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border-soft);color:var(--text-muted);
}
.pagination a:hover{color:var(--accent-cyan);border-color:var(--accent-cyan);}
.pagination .active{background:var(--accent-cyan);color:#04101c;}

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width:980px){
  .hero-section{justify-content:center;text-align:center;padding:100px 6% 60px;}
  .hero-content{text-align:center;max-width:100%;}
  .hero-oscillator,.hero-buttons{justify-content:center;}
  .hero-title{font-size:2.3rem;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--bg-dark-2);
    padding:100px 24px 24px;transition:right .4s ease;flex-direction:column;box-shadow:-10px 0 30px rgba(0,0,0,.5);
  }
  .main-nav.open{right:0;}
  .main-nav ul{flex-direction:column;align-items:flex-start;width:100%;}
  .nav-item{width:100%;}
  .nav-item .dropdown{position:static;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;background:transparent;border:none;padding-left:12px;}
  .nav-item.has-dropdown.open .dropdown{display:block;}
  .btn-header-cta{display:none;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .section{padding:70px 6%;}
  .section-title{font-size:1.7rem;}
  .footer-inner{grid-template-columns:1fr;text-align:left;}
  .form-row{flex-direction:column;}
  .hero-title{font-size:1.9rem;}
  .cta-content h2{font-size:1.7rem;}
}