:root{--blue:#0B2447;--blue2:#19376D;--gold:#F5C32C;--gold2:#E6A817;--white:#ffffff;--off:#F8FAFC;--gray:#64748b;--light:#e2e8f0;--dark:#0f172a;--radius:12px;--shadow:0 4px 24px rgba(11,36,71,.12);--transition:.3s ease;font-family:'Inter',sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--dark);background:var(--white);overflow-x:hidden}
body.dark{background:#0d1b2e;color:#e2e8f0}
body.dark .navbar{background:rgba(13,27,46,.95)}
body.dark .card{background:#1a2d4a;border-color:#243b5e}
body.dark .section-alt{background:#111f35}
body.dark input,body.dark select,body.dark textarea{background:#1a2d4a;border-color:#243b5e;color:#e2e8f0}
img{max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:var(--off)}
h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.15}
h2{font-size:clamp(1.5rem,3vw,2.5rem);font-weight:700}
h3{font-size:1.3rem;font-weight:600}
p{line-height:1.7;color:var(--gray)}
.text-center{text-align:center}
.section-label{font-size:.85rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.section-title{margin-bottom:16px}
.section-subtitle{max-width:600px;margin:0 auto 48px;color:var(--gray)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:var(--transition);text-decoration:none}
.btn-primary{background:var(--gold);color:var(--blue);box-shadow:0 4px 16px rgba(245,195,44,.35)}
.btn-primary:hover{background:var(--gold2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,195,44,.45)}
.btn-outline{background:transparent;color:var(--white);border:2px solid var(--white)}
.btn-outline:hover{background:var(--white);color:var(--blue)}
.btn-blue{background:var(--blue);color:var(--white)}
.btn-blue:hover{background:var(--blue2);transform:translateY(-2px)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:var(--white);border:1px solid var(--light);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:var(--transition)}
.card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(11,36,71,.18)}
.badge{display:inline-block;padding:4px 12px;border-radius:50px;font-size:.78rem;font-weight:700;background:var(--gold);color:var(--blue)}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 24px;height:72px;display:flex;align-items:center;background:rgba(11,36,71,.95);backdrop-filter:blur(12px);transition:var(--transition)}
.navbar.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.2)}
.nav-inner{max-width:1200px;margin:0 auto;width:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo img{height:44px;width:44px;border-radius:50%;object-fit:cover}
.nav-logo-text{color:var(--white);font-weight:800;font-size:1.1rem;line-height:1.2}
.nav-logo-text span{color:var(--gold);display:block;font-size:.75rem;font-weight:500;letter-spacing:.05em}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{color:rgba(255,255,255,.85);padding:8px 16px;border-radius:8px;font-size:.92rem;font-weight:500;transition:var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--gold);background:rgba(245,195,44,.1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.dark-toggle{background:none;border:none;cursor:pointer;color:rgba(255,255,255,.7);font-size:1.2rem;padding:6px;transition:var(--transition)}
.dark-toggle:hover{color:var(--gold)}
.hamburger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:var(--transition)}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;background:linear-gradient(135deg,#0B2447 0%,#19376D 50%,#0d3280 100%);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('../images/hero_bg.png');background-size:cover;background-position:center;opacity:.18}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,36,71,.92) 0%,rgba(25,55,109,.85) 100%)}
.hero-content{position:relative;z-index:2;padding-top:72px}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;min-height:calc(100vh - 72px);padding:40px 0}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(245,195,44,.15);border:1px solid rgba(245,195,44,.3);color:var(--gold);padding:8px 20px;border-radius:50px;font-size:.85rem;font-weight:600;margin-bottom:24px}
.hero h1{color:var(--white);margin-bottom:24px}
.hero h1 em{color:var(--gold);font-style:normal}
.hero p{color:rgba(255,255,255,.8);font-size:1.1rem;margin-bottom:40px;max-width:500px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center}
.hero-card{background:rgba(255,255,255,.08);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.15);border-radius:24px;padding:40px;text-align:center;width:100%;max-width:400px}
.hero-card h3{color:var(--white);font-size:1.4rem;margin-bottom:8px}
.hero-card p{color:rgba(255,255,255,.7);margin-bottom:32px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-item{background:rgba(255,255,255,.1);border-radius:12px;padding:20px}
.stat-num{font-size:2rem;font-weight:800;color:var(--gold)}
.stat-label{font-size:.8rem;color:rgba(255,255,255,.7);margin-top:4px}
.stats-bar{background:var(--blue);padding:40px 0}
.stats-bar .grid-4{text-align:center}
.stat-box .num{font-size:2.8rem;font-weight:800;color:var(--gold)}
.stat-box .lbl{color:rgba(255,255,255,.75);font-size:.95rem;margin-top:4px}
.highlights .grid-4 .card{text-align:center}
.highlight-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem}
.testimonials{background:var(--blue);padding:80px 0}
.testimonials h2,.testimonials .section-label{color:var(--white)}
.testimonials .section-subtitle{color:rgba(255,255,255,.7)}
.testi-carousel{position:relative;overflow:hidden}
.testi-track{display:flex;transition:transform .5s ease}
.testi-slide{min-width:100%;padding:0 8px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:28px}
.testi-stars{color:var(--gold);font-size:1.1rem;margin-bottom:12px}
.testi-text{color:rgba(255,255,255,.85);font-style:italic;margin-bottom:20px;line-height:1.7}
.testi-author{display:flex;align-items:center;gap:12px}
.testi-avatar{width:44px;height:44px;border-radius:50%;background:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--blue);font-size:1.1rem}
.testi-name{font-weight:700;color:var(--white);font-size:.95rem}
.testi-sub{font-size:.8rem;color:rgba(255,255,255,.6)}
.testi-controls{display:flex;justify-content:center;gap:12px;margin-top:32px}
.testi-btn{width:44px;height:44px;border-radius:50%;border:2px solid rgba(255,255,255,.3);background:transparent;color:var(--white);font-size:1.2rem;cursor:pointer;transition:var(--transition)}
.testi-btn:hover{background:var(--gold);border-color:var(--gold);color:var(--blue)}
.toppers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.topper-card{text-align:center;position:relative}
.topper-card .card{padding:24px 16px}
.topper-photo{width:80px;height:80px;border-radius:50%;margin:0 auto 12px;background:linear-gradient(135deg,var(--blue),var(--gold));display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--white);font-weight:800;border:3px solid var(--gold)}
.topper-name{font-weight:700;font-size:1rem;margin-bottom:4px}
.topper-class{font-size:.82rem;color:var(--gray);margin-bottom:8px}
.topper-score{background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--blue);padding:4px 14px;border-radius:50px;font-weight:800;font-size:.9rem;display:inline-block}
.cta-section{background:linear-gradient(135deg,var(--blue),var(--blue2));padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(245,195,44,.08) 0%,transparent 60%)}
.cta-section h2{color:var(--white);margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.75);margin-bottom:40px;font-size:1.1rem}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.newsletter{background:var(--off);padding:48px 0;border-top:1px solid var(--light)}
.newsletter-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.newsletter-text h3{font-size:1.3rem;margin-bottom:4px}
.newsletter-text p{font-size:.9rem}
.newsletter-form{display:flex;gap:12px;flex:1;min-width:280px}
.newsletter-form input{flex:1;padding:14px 20px;border:1px solid var(--light);border-radius:50px;font-size:.95rem;outline:none;font-family:inherit}
.newsletter-form input:focus{border-color:var(--gold)}
.footer{background:var(--dark);color:rgba(255,255,255,.75);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:48px;margin-bottom:48px}
.footer-brand img{height:48px;margin-bottom:16px}
.footer-brand p{font-size:.9rem;line-height:1.7;margin-bottom:20px}
.footer-social{display:flex;gap:12px}
.social-btn{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:1rem;transition:var(--transition)}
.social-btn:hover{background:var(--gold);color:var(--blue)}
.footer h4{color:var(--white);font-size:1rem;margin-bottom:20px;font-weight:700}
.footer ul li{margin-bottom:10px}
.footer ul li a{font-size:.9rem;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer ul li a:hover{color:var(--gold)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:rgba(255,255,255,.6);margin-bottom:12px}
.footer-contact li .icon{color:var(--gold);margin-top:2px;flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:.85rem;color:rgba(255,255,255,.4)}
.whatsapp-fab{position:fixed;bottom:28px;right:28px;z-index:999;width:58px;height:58px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.7rem;box-shadow:0 6px 24px rgba(37,211,102,.45);transition:var(--transition);text-decoration:none;color:var(--white)}
.whatsapp-fab:hover{transform:scale(1.12);box-shadow:0 10px 32px rgba(37,211,102,.6)}
.announcement-bar{background:linear-gradient(90deg,var(--gold),var(--gold2));color:var(--blue);text-align:center;padding:10px 40px;font-weight:600;font-size:.9rem;position:relative;z-index:1001}
.announcement-bar .close-bar{position:absolute;right:20px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.2rem;cursor:pointer;color:var(--blue);opacity:.7}
.loading-screen{position:fixed;inset:0;background:var(--blue);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .5s,visibility .5s}
.loading-screen.hidden{opacity:0;visibility:hidden}
.loading-logo{width:80px;height:80px;border-radius:50%;border:4px solid var(--gold);display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:900;color:var(--gold);animation:pulse 1.2s ease-in-out infinite}
.loading-text{color:rgba(255,255,255,.7);margin-top:20px;font-size:.95rem;letter-spacing:.08em}
.loading-bar{width:200px;height:3px;background:rgba(255,255,255,.15);border-radius:2px;margin-top:16px;overflow:hidden}
.loading-progress{height:100%;background:var(--gold);border-radius:2px;animation:progress 1.5s ease-out forwards}
.page-header{background:linear-gradient(135deg,var(--blue),var(--blue2));padding:120px 0 60px;text-align:center}
.page-header h1{color:var(--white);margin-bottom:12px}
.page-header p{color:rgba(255,255,255,.75);font-size:1.05rem}
.breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;font-size:.85rem;color:rgba(255,255,255,.5)}
.breadcrumb a{color:var(--gold)}
.breadcrumb span{color:rgba(255,255,255,.3)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:8px;color:var(--blue)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:14px 18px;border:1.5px solid var(--light);border-radius:10px;font-size:.95rem;font-family:inherit;outline:none;transition:var(--transition);background:var(--white)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,195,44,.15)}
.auth-page{min-height:100vh;background:linear-gradient(135deg,#0B2447,#19376D);display:flex;align-items:center;justify-content:center;padding:100px 24px 40px}
.auth-card{background:var(--white);border-radius:24px;padding:48px;width:100%;max-width:440px;box-shadow:0 24px 80px rgba(0,0,0,.3)}
.auth-card .logo-area{text-align:center;margin-bottom:32px}
.auth-card h2{text-align:center;margin-bottom:8px;color:var(--blue)}
.auth-card .sub{text-align:center;color:var(--gray);font-size:.9rem;margin-bottom:32px}
.divider{display:flex;align-items:center;gap:16px;margin:20px 0;color:var(--gray);font-size:.85rem}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--light)}
.google-btn{width:100%;padding:14px;border:1.5px solid var(--light);border-radius:10px;background:var(--white);display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;font-size:.95rem;font-family:inherit;transition:var(--transition)}
.google-btn:hover{border-color:var(--gold);background:var(--off)}
.tabs{display:flex;gap:4px;background:var(--off);border-radius:12px;padding:4px;margin-bottom:40px}
.tab-btn{flex:1;padding:12px 16px;border:none;background:transparent;border-radius:8px;font-weight:600;font-size:.9rem;cursor:pointer;transition:var(--transition);color:var(--gray)}
.tab-btn.active{background:var(--blue);color:var(--white)}
.tab-content{display:none}
.tab-content.active{display:block}
.course-card{border-radius:16px;overflow:hidden;border:1px solid var(--light);transition:var(--transition);box-shadow:var(--shadow)}
.course-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(11,36,71,.2)}
.course-header{background:linear-gradient(135deg,var(--blue),var(--blue2));padding:28px;color:var(--white)}
.course-header h3{font-size:1.15rem;margin-bottom:8px}
.course-header .meta{font-size:.82rem;opacity:.8}
.course-body{background:var(--white);padding:24px}
.course-body ul{margin:0 0 20px 0}
.course-body ul li{padding:6px 0;font-size:.9rem;color:var(--gray);display:flex;align-items:center;gap:8px}
.course-body ul li::before{content:'✓';color:var(--gold);font-weight:800}
.filter-bar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.filter-btn{padding:8px 20px;border-radius:50px;border:1.5px solid var(--light);background:var(--white);cursor:pointer;font-size:.88rem;font-weight:600;transition:var(--transition)}
.filter-btn.active,.filter-btn:hover{background:var(--blue);color:var(--white);border-color:var(--blue)}
.achiever-card{text-align:center;border-radius:16px;overflow:hidden;border:1px solid var(--light);padding:28px 20px;box-shadow:var(--shadow);transition:var(--transition)}
.achiever-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(11,36,71,.18)}
.achiever-photo{width:90px;height:90px;border-radius:50%;margin:0 auto 16px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:flex;align-items:center;justify-content:center;font-size:2.2rem;font-weight:800;color:var(--white);border:4px solid var(--gold)}
.achiever-name{font-weight:800;font-size:1.05rem;margin-bottom:6px}
.achiever-details{font-size:.82rem;color:var(--gray);margin-bottom:12px}
.achiever-score{background:var(--gold);color:var(--blue);padding:6px 18px;border-radius:50px;font-weight:800;font-size:.95rem;display:inline-block}
.faculty-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.faculty-card{text-align:center;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--light);transition:var(--transition)}
.faculty-card:hover{transform:translateY(-6px)}
.faculty-photo{height:200px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:flex;align-items:center;justify-content:center;font-size:4rem;color:var(--gold)}
.faculty-info{padding:20px}
.faculty-info h3{font-size:1rem;margin-bottom:4px}
.faculty-info .subject{font-size:.82rem;color:var(--gold);font-weight:700;margin-bottom:6px}
.faculty-info p{font-size:.82rem}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info-item{display:flex;gap:16px;margin-bottom:28px}
.contact-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:1.2rem;flex-shrink:0}
.map-embed{border-radius:16px;overflow:hidden;margin-top:32px}
.dashboard-layout{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 72px);margin-top:72px}
.sidebar{background:var(--blue);padding:32px 20px;color:var(--white)}
.sidebar-welcome{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-welcome h3{font-size:1.05rem;margin-bottom:4px}
.sidebar-welcome p{font-size:.82rem;opacity:.7}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:10px;color:rgba(255,255,255,.75);font-size:.92rem;margin-bottom:4px;transition:var(--transition)}
.sidebar-nav a:hover,.sidebar-nav a.active{background:rgba(255,255,255,.12);color:var(--gold)}
.dashboard-main{padding:40px;background:var(--off)}
.dash-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px}
.dash-stat{background:var(--white);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.dash-stat .icon{font-size:1.8rem;margin-bottom:12px}
.dash-stat h4{font-size:1.8rem;font-weight:800;color:var(--blue);margin-bottom:4px}
.dash-stat p{font-size:.85rem}
.notice-board{background:var(--white);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.notice-item{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--light)}
.notice-item:last-child{border-bottom:none}
.notice-date{font-size:.78rem;color:var(--gray);white-space:nowrap}
.notice-text{font-size:.9rem}
.announcement-modal{position:fixed;inset:0;z-index:9998;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:var(--transition)}
.announcement-modal.show{opacity:1;visibility:visible}
.modal-box{background:var(--white);border-radius:24px;padding:48px;max-width:480px;width:90%;text-align:center;position:relative}
.modal-box .emoji{font-size:3rem;margin-bottom:16px}
.modal-box h3{color:var(--blue);margin-bottom:12px}
.modal-box p{margin-bottom:28px}
.modal-close{position:absolute;top:20px;right:20px;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--gray)}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(245,195,44,.4)}50%{box-shadow:0 0 0 16px rgba(245,195,44,0)}}
@keyframes progress{from{width:0}to{width:100%}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.animate{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.animate.visible{opacity:1;transform:translateY(0)}
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.toppers-grid{grid-template-columns:repeat(2,1fr)}.faculty-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero-inner{grid-template-columns:1fr}.hero-visual{display:none}.dashboard-layout{grid-template-columns:1fr}.sidebar{display:none}}
@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}.nav-links{display:none}.hamburger{display:flex}.testi-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.dash-cards{grid-template-columns:1fr}.tabs{flex-direction:column}.section{padding:60px 0}.newsletter-inner{flex-direction:column}.footer-grid{grid-template-columns:1fr}}