/* Shrika Institute - Logo-based palette */
:root{
  --navy:#0a2472;        /* deep blue from logo bg */
  --navy-dark:#061a55;
  --navy-light:#1a3a9c;
  --green:#7ed957;       /* book green */
  --green-dark:#4caf50;
  --gold:#ffd23f;        /* star gold */
  --white:#ffffff;
  --bg:#f5f7fb;
  --text:#1a1a2e;
  --muted:#5a6378;
  --radius:14px;
  --shadow:0 10px 30px rgba(10,36,114,.12);
  --transition:all .35s ease;
}
*{margin:0;padding:0;box-sizing:border-box;font-family:'Poppins',sans-serif}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* HEADER */
.site-header{position:sticky;top:0;z-index:100;background:var(--navy);box-shadow:var(--shadow)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:20px}
.logo-img{height:55px;width:auto}
.main-nav{display:flex;gap:28px}
.main-nav a{color:#fff;font-weight:500;font-size:15px;position:relative;transition:var(--transition)}
.main-nav a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--green);transition:var(--transition)}
.main-nav a:hover{color:var(--green)}
.main-nav a:hover::after{width:100%}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px}
.menu-toggle span{width:26px;height:3px;background:#fff;border-radius:2px;transition:var(--transition)}

/* HERO SLIDER */
.hero{position:relative;height:88vh;min-height:520px;overflow:hidden}
.slider{position:relative;width:100%;height:100%}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 1s ease;color:#fff;text-align:center;padding:20px}
.slide.active{opacity:1}
.slide-content{max-width:800px;animation:fadeUp 1s ease both}
.slide-content h1{font-size:clamp(2rem,5vw,3.8rem);font-weight:800;line-height:1.15;margin-bottom:16px}
.slide-content h1 span{color:var(--green)}
.slide-content p{font-size:clamp(1rem,1.6vw,1.2rem);margin-bottom:28px;opacity:.95}
.btn{display:inline-block;padding:13px 28px;border-radius:50px;font-weight:600;margin:6px;transition:var(--transition);cursor:pointer;border:2px solid transparent;font-size:15px}
.btn-primary{background:var(--green);color:var(--navy-dark);border-color:var(--green)}
.btn-primary:hover{background:var(--gold);border-color:var(--gold);transform:translateY(-3px)}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.2);color:#fff;border:0;width:48px;height:48px;border-radius:50%;font-size:18px;cursor:pointer;backdrop-filter:blur(6px);transition:var(--transition);z-index:5}
.slider-btn:hover{background:var(--green);color:var(--navy-dark)}
.slider-btn.prev{left:20px}.slider-btn.next{right:20px}
.dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:var(--transition)}
.dot.active{background:var(--green);width:32px;border-radius:6px}

/* SECTIONS */
.section{padding:90px 0}
.section-head{text-align:center;max-width:700px;margin:0 auto 50px}
.label{display:inline-block;background:rgba(126,217,87,.15);color:var(--green-dark);padding:6px 16px;border-radius:50px;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}
.section-head h2{font-size:clamp(1.8rem,3vw,2.6rem);color:var(--navy);font-weight:700;margin-bottom:14px}
.section-head p{color:var(--muted)}

/* ABOUT */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-bottom:50px}
.about-card{background:linear-gradient(135deg,var(--navy),var(--navy-light));color:#fff;padding:36px 28px;border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition)}
.about-card:hover{transform:translateY(-8px)}
.about-card .icon{font-size:42px;margin-bottom:14px}
.about-card h3{color:var(--green);margin-bottom:10px;font-size:1.4rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;text-align:center}
.stat{background:var(--bg);padding:28px 16px;border-radius:var(--radius);border-top:4px solid var(--green);transition:var(--transition)}
.stat:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.stat h3{font-size:2.4rem;color:var(--navy);font-weight:800}
.stat p{color:var(--muted);font-weight:500}

/* CARD GRID */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.course-card,.service-card{background:#fff;padding:30px 26px;border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition);border-bottom:4px solid transparent}
.course-card:hover,.service-card:hover{transform:translateY(-8px);border-bottom-color:var(--green)}
.ci{width:60px;height:60px;display:flex;align-items:center;justify-content:center;font-size:30px;background:linear-gradient(135deg,var(--navy),var(--navy-light));color:#fff;border-radius:14px;margin-bottom:16px}
.course-card h3,.service-card h3{color:var(--navy);margin-bottom:10px;font-size:1.2rem}
.course-card p,.service-card p{color:var(--muted);font-size:.95rem}

.services{background:#fff}

/* TESTIMONIALS */
.testimonials{background:linear-gradient(135deg,var(--navy),var(--navy-dark));color:#fff}
.testimonials .section-head h2{color:#fff}
.testimonials .label{background:rgba(255,255,255,.15);color:var(--green)}
.testi-carousel{position:relative;overflow:hidden;max-width:1000px;margin:0 auto}
.testi-track{display:flex;transition:transform .6s ease}
.testi-card{flex:0 0 100%;padding:34px;background:rgba(255,255,255,.08);border-radius:var(--radius);text-align:center;backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.1)}
.testi-card p{font-size:1.05rem;font-style:italic;margin-bottom:18px;line-height:1.7}
.testi-card h4{color:var(--green);margin-bottom:4px}
.testi-card span{color:rgba(255,255,255,.7);font-size:.9rem}
.testi-btn{position:absolute;top:50%;transform:translateY(-50%);background:var(--green);color:var(--navy-dark);border:0;width:44px;height:44px;border-radius:50%;cursor:pointer;font-size:16px;transition:var(--transition);z-index:2}
.testi-btn:hover{background:var(--gold)}
.testi-btn.prev{left:-10px}.testi-btn.next{right:-10px}

/* CONTACT */
.contact{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:center}
.contact-info h2{color:var(--navy);margin-bottom:14px;font-size:2rem}
.contact-info p{color:var(--muted);margin-bottom:20px}
.contact-list{list-style:none}
.contact-list li{padding:10px 0;color:var(--text);font-weight:500}
.contact-form{background:#fff;padding:35px;border-radius:var(--radius);box-shadow:var(--shadow)}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:13px 16px;margin-bottom:14px;border:2px solid #e3e7ef;border-radius:10px;font-family:inherit;font-size:15px;transition:var(--transition);background:#fff}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--green)}
.contact-form .btn{width:100%;border:0}
.form-note{margin-top:12px;text-align:center;font-weight:500}
.form-note.success{color:var(--green-dark)}
.form-note.error{color:#d63031}

/* FOOTER */
.site-footer{background:var(--navy-dark);color:#fff;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-logo{height:60px;margin-bottom:14px;background:var(--navy);padding:6px 10px;border-radius:8px}
.site-footer h4{color:var(--green);margin-bottom:16px;font-size:1.1rem}
.site-footer a{display:block;color:rgba(255,255,255,.8);padding:5px 0;transition:var(--transition)}
.site-footer a:hover{color:var(--green);padding-left:5px}
.site-footer p{color:rgba(255,255,255,.8);margin-bottom:8px}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding:20px;text-align:center;color:rgba(255,255,255,.7);font-size:.9rem}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:900px){
  .main-nav{position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;padding:20px;gap:16px;max-height:0;overflow:hidden;transition:max-height .4s ease}
  .main-nav.open{max-height:400px}
  .menu-toggle{display:flex}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:600px){
  .section{padding:60px 0}
  .hero{height:80vh;min-height:480px}
  .contact-form .row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;text-align:center}
  .footer-logo{margin-left:auto;margin-right:auto}
  .testi-btn.prev{left:5px}.testi-btn.next{right:5px}
  .slider-btn{width:40px;height:40px}
}