:root {
    --bg-base: #0B0F19;
    --bg-panel: #111827;
    --bg-surface: #1E293B;
    --border-color: #334155;
    --border-light: rgba(255,255,255,0.1);
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --accent-blue: #3B82F6;
    --accent-blue-hover: #2563EB;
    --accent-blue-dim: rgba(59,130,246,0.1);
    --accent-orange: #F59E0B;
    --accent-orange-dim: rgba(245,158,11,0.1);
    --accent-green: #10B981;
    --accent-green-dim: rgba(16,185,129,0.1);
    --accent-indigo: #6366F1;
    --accent-indigo-dim: rgba(99,102,241,0.1);
    --accent-teal: #14B8A6;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --shadow-glow: 0 0 20px rgba(59,130,246,0.15);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;height:100%;}
body{font-family:var(--font-sans);background:var(--bg-base);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;}

/* ===== BOOT SCREEN ===== */
.boot-screen{position:fixed;inset:0;z-index:9999;background:var(--bg-base);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .6s,visibility .6s;}
.boot-screen.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.boot-logo{width:80px;height:80px;margin-bottom:2rem;animation:bootPulse 1.5s ease-in-out infinite;}
.boot-text{font-size:1.1rem;color:var(--accent-green);font-family:monospace;margin-bottom:.5rem;overflow:hidden;white-space:nowrap;border-right:2px solid var(--accent-green);animation:typing 2s steps(30) forwards,blink .7s step-end infinite;}
.boot-bar{width:200px;height:3px;background:var(--bg-surface);border-radius:3px;margin-top:1.5rem;overflow:hidden;}
.boot-bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent-blue),var(--accent-green),var(--accent-orange));border-radius:3px;animation:bootLoad 2.5s ease forwards;}
@keyframes bootPulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.1);opacity:1}}
@keyframes typing{from{width:0}to{width:320px}}
@keyframes blink{50%{border-color:transparent}}
@keyframes bootLoad{0%{width:0}100%{width:100%}}

/* ===== BACKGROUND ===== */
.bg-grid{position:fixed;inset:0;background-image:linear-gradient(to right,rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px;z-index:-2;pointer-events:none;}
.glow-orb{position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(120px);z-index:-1;opacity:.15;pointer-events:none;}
.orb-top{top:-200px;left:-100px;background:var(--accent-blue);}
.orb-bottom{bottom:-200px;right:-100px;background:var(--accent-orange);}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4{font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--text-primary);}
h1{font-size:clamp(2rem,5vw,3.5rem);margin-bottom:1.5rem;}
h2{font-size:clamp(1.5rem,3.5vw,2.25rem);margin-bottom:1rem;}
h3{font-size:clamp(1.1rem,2vw,1.25rem);margin-bottom:.75rem;}
h4{font-size:1rem;margin-bottom:.5rem;}
p{margin-bottom:1rem;color:var(--text-secondary);}
a{color:var(--accent-blue);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--text-primary);}
.text-muted{color:var(--text-secondary);}
.text-sm{font-size:.875rem;}
.fw-500{font-weight:500;}
.text-center{text-align:center;}
.text-blue{color:var(--accent-blue);}
.text-indigo{color:var(--accent-indigo);}
.text-teal{color:var(--accent-teal);}
.text-orange{color:var(--accent-orange);}
.text-green{color:var(--accent-green);}

/* ===== LAYOUT ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem;}
.section{padding:5rem 0;position:relative;}
.main-content{flex:1;}
.bg-panel{background:var(--bg-panel);border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light);}
.border-top{border-top:1px solid var(--border-light);}
.mb-2{margin-bottom:.5rem;}.mb-3{margin-bottom:1rem;}.mb-4{margin-bottom:1.5rem;}.mb-5{margin-bottom:2rem;}.mt-4{margin-top:1.5rem;}
.max-w-lg{max-width:800px;}.mx-auto{margin-left:auto;margin-right:auto;}
.inline-flex{display:inline-flex;}.align-center{align-items:center;}.gap-sm{gap:.5rem;}.gap-lg{gap:3rem;}.justify-center{justify-content:center;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2rem;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;border-radius:var(--radius-sm);transition:var(--transition);cursor:pointer;border:1px solid transparent;position:relative;overflow:hidden;}
.btn::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(255,255,255,.15);border-radius:50%;transform:translate(-50%,-50%);transition:width .6s,height .6s;}
.btn:hover::before{width:300px;height:300px;}
.btn-sm{padding:.5rem 1rem;font-size:.875rem;}
.btn-primary{background:linear-gradient(135deg,var(--accent-blue),var(--accent-indigo));color:#fff;box-shadow:0 4px 15px rgba(59,130,246,.3);}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 8px 25px rgba(59,130,246,.4);color:#fff;}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-outline{background:transparent;color:var(--text-primary);border-color:var(--border-color);}
.btn-outline:hover{border-color:var(--accent-orange);background:var(--accent-orange-dim);box-shadow:0 0 20px rgba(245,158,11,.15);transform:translateY(-2px);color:var(--accent-orange);}

/* ===== NAVIGATION ===== */
.navbar{position:fixed;top:0;width:100%;padding:1.25rem 0;z-index:100;transition:var(--transition);}
.navbar.scrolled{background:rgba(11,15,25,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);padding:.85rem 0;}
.nav-content{display:flex;justify-content:space-between;align-items:center;}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.15rem;color:var(--text-primary);}
.logo-icon{color:var(--accent-blue);}
.nav-links{display:flex;list-style:none;gap:2rem;}
.nav-links a{color:var(--text-secondary);font-size:.95rem;font-weight:500;position:relative;}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--accent-blue),var(--accent-green));transition:width .3s;}
.nav-links a:hover{color:var(--text-primary);}
.nav-links a:hover::after{width:100%;}
.hamburger{display:none;cursor:pointer;color:var(--text-primary);}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:80px;}
.hero-container{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center;}
.badge{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .875rem;background:var(--accent-orange-dim);color:var(--accent-orange);border:1px solid rgba(245,158,11,.2);border-radius:50px;font-size:.875rem;font-weight:500;margin-bottom:1.5rem;}
.pulse-dot{width:6px;height:6px;background:var(--accent-orange);border-radius:50%;animation:pulse-orange 2s infinite;}
@keyframes pulse-orange{0%{transform:scale(.95);box-shadow:0 0 0 0 rgba(245,158,11,.7)}70%{transform:scale(1);box-shadow:0 0 0 8px rgba(245,158,11,0)}100%{transform:scale(.95);box-shadow:0 0 0 0 rgba(245,158,11,0)}}
.hero-actions{display:flex;gap:1rem;margin-top:2rem;flex-wrap:wrap;}

.hero-visual{display:flex;justify-content:center;align-items:center;}
.rings-container{position:relative;width:320px;height:320px;display:flex;align-items:center;justify-content:center;animation:float 6s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}
.ring{position:absolute;border-radius:50%;border:1px solid var(--border-color);}
.ring-1{width:100%;height:100%;border-top-color:var(--accent-blue);border-left-color:rgba(59,130,246,.2);animation:spin 24s linear infinite;}
.ring-2{width:75%;height:75%;border-bottom-color:var(--accent-orange);border-right-color:rgba(245,158,11,.2);animation:spin-reverse 18s linear infinite;border-width:2px;}
.ring-3{width:50%;height:50%;border-top-color:var(--accent-green);border-bottom-color:transparent;animation:spin 12s linear infinite;}
.ring-core{width:80px;height:80px;background:var(--accent-blue-dim);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent-blue);box-shadow:0 0 30px rgba(59,130,246,.2);animation:corePulse 3s ease-in-out infinite;}
@keyframes spin{100%{transform:rotate(360deg)}}
@keyframes spin-reverse{100%{transform:rotate(-360deg)}}
@keyframes corePulse{0%,100%{box-shadow:0 0 30px rgba(59,130,246,.2)}50%{box-shadow:0 0 50px rgba(59,130,246,.35)}}

/* ===== CARDS ===== */
.section-header{max-width:600px;margin-bottom:3.5rem;}
.card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:2rem;transition:var(--transition);position:relative;overflow:hidden;}
.card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .4s;background:radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(59,130,246,.06),transparent 40%);}
.card:hover::before{opacity:1;}
.card:hover{transform:translateY(-6px);border-color:rgba(59,130,246,.3);box-shadow:0 20px 40px rgba(0,0,0,.3),0 0 30px rgba(59,130,246,.1);}
.card-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;transition:var(--transition);}
.card:hover .card-icon{transform:scale(1.1) rotate(-5deg);}
.card-icon.blue{background:var(--accent-blue-dim);color:var(--accent-blue);}
.card-icon.indigo{background:var(--accent-orange-dim);color:var(--accent-orange);}
.card-icon.teal{background:var(--accent-green-dim);color:var(--accent-green);}

/* Feature Panels */
.feature-panel{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:2rem;transition:var(--transition);position:relative;overflow:hidden;}
.feature-panel::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .4s;background:radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(59,130,246,.04),transparent 40%);}
.feature-panel:hover::before{opacity:1;}
.feature-panel:hover{border-color:rgba(255,255,255,.15);transform:translateY(-4px);box-shadow:0 15px 35px rgba(0,0,0,.2);}
.panel-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;}
.panel-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;transition:var(--transition);}
.feature-panel:hover .panel-icon{transform:scale(1.1);}
.bg-blue-dim{background:var(--accent-blue-dim);}
.bg-indigo-dim{background:var(--accent-indigo-dim);}
.tag-group{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.5rem;}
.tag{font-size:.78rem;padding:.25rem .75rem;background:var(--bg-base);border:1px solid var(--border-color);border-radius:20px;color:var(--text-secondary);transition:var(--transition);}
.tag:hover{border-color:var(--accent-blue);color:var(--accent-blue);background:var(--accent-blue-dim);transform:translateY(-1px);}
.list-check{list-style:none;}
.list-check li{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;color:var(--text-primary);font-size:.9rem;}

/* ===== PROGRAMS ===== */
.clean-list{list-style:none;}
.clean-list li{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;color:var(--text-primary);}
.bullet{width:6px;height:6px;background:var(--accent-green);border-radius:50%;box-shadow:0 0 8px rgba(16,185,129,.5);}
.glass-box{background:linear-gradient(145deg,rgba(30,41,59,.7),rgba(15,23,42,.7));border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-lg);padding:2rem;backdrop-filter:blur(10px);}
.course-item{display:flex;gap:1rem;padding:.85rem;background:rgba(0,0,0,.2);border-radius:var(--radius-sm);border:1px solid transparent;transition:var(--transition);cursor:default;}
.course-item:hover{border-color:var(--accent-green);background:var(--accent-green-dim);transform:translateX(4px);}
.course-item span{font-size:.85rem;color:var(--text-secondary);transition:var(--transition);}
.course-item:hover span{color:var(--accent-green);}
.course-item h4{margin-bottom:0;font-size:.95rem;}
.course-icon{color:var(--text-secondary);margin-top:2px;}

/* Stats */
.stat-card{padding:1.5rem;border-radius:var(--radius-md);transition:var(--transition);position:relative;overflow:hidden;}
.stat-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .4s;background:radial-gradient(400px circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(59,130,246,.05),transparent 40%);}
.stat-card:hover::before{opacity:1;}
.stat-card:hover{transform:translateY(-3px);}

/* Marquee */
.marquee-section{background:var(--bg-panel);padding:1.5rem 0;overflow:hidden;position:relative;border-bottom:1px solid var(--border-light);}
.marquee-container{width:100%;overflow:hidden;white-space:nowrap;}
.marquee-content{display:inline-block;animation:marquee-scroll 35s linear infinite;font-family:var(--font-sans);font-size:1.15rem;font-weight:600;color:var(--text-secondary);}
.marquee-content span:not(.dot){transition:color .3s;}
.marquee-content span:not(.dot):hover{color:var(--text-primary);text-shadow:0 0 10px rgba(59,130,246,.4);}
.marquee-content .dot{margin:0 1.5rem;color:var(--accent-orange);opacity:.6;}
@keyframes marquee-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* Status */
.px-3{padding-left:1rem;padding-right:1rem;}.py-1{padding-top:.25rem;padding-bottom:.25rem;}
.border{border:1px solid var(--border-light);}.rounded-full{border-radius:50px;}.bg-surface{background:var(--bg-surface);}
.status-dot{width:8px;height:8px;background:var(--accent-green);border-radius:50%;box-shadow:0 0 10px var(--accent-green);animation:statusPulse 2s infinite;}
@keyframes statusPulse{0%,100%{box-shadow:0 0 10px var(--accent-green)}50%{box-shadow:0 0 20px var(--accent-green),0 0 40px rgba(16,185,129,.3)}}
.feature-tags{display:flex;flex-wrap:wrap;gap:.75rem;}
.feature-tags span{padding:.5rem 1rem;border:1px dashed var(--border-color);border-radius:var(--radius-sm);font-size:.9rem;color:var(--text-secondary);transition:var(--transition);}
.feature-tags span:hover{border-color:var(--accent-orange);color:var(--accent-orange);background:var(--accent-orange-dim);border-style:solid;}

/* ===== FOOTER ===== */
.footer{padding:3rem 0 1.5rem;border-top:1px solid var(--border-light);background:var(--bg-panel);margin-top:auto;}
.footer-top{margin-bottom:2rem;}
.footer-link{display:inline-block;padding:.5rem 1rem;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-family:'Inter',monospace;font-size:.9rem;transition:var(--transition);}
.footer-link:hover{border-color:var(--accent-blue);color:var(--text-primary);transform:translateY(-2px);box-shadow:0 4px 15px rgba(59,130,246,.2);}
.footer-bottom{padding-top:1.5rem;border-top:1px solid var(--border-light);text-align:center;color:var(--text-secondary);font-size:.875rem;}

/* ===== ANIMATIONS ===== */
.fade-in-up{animation:fadeInUp .8s cubic-bezier(.4,0,.2,1) forwards;}
@keyframes fadeInUp{from{opacity:0;transform:translateY(25px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(30px);transition:all .8s cubic-bezier(.4,0,.2,1);}
.reveal.left{transform:translateX(-30px);}
.reveal.right{transform:translateX(30px);}
.reveal.active{opacity:1;transform:translate(0,0);}
.delay-1{transition-delay:.1s;animation-delay:.1s;}
.delay-2{transition-delay:.2s;animation-delay:.2s;}
.delay-3{transition-delay:.3s;animation-delay:.3s;}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
    .grid-2{grid-template-columns:1fr;}
    .grid-3{grid-template-columns:1fr 1fr;}
    .hero-container{grid-template-columns:1fr;text-align:center;}
    .hero-actions{justify-content:center;}
    .hero-visual{margin-top:2rem;}
    .rings-container{width:260px;height:260px;}
    .section-header{margin-left:auto;margin-right:auto;text-align:center;}
}
@media(max-width:768px){
    .nav-links{display:none;position:absolute;top:100%;left:0;width:100%;background:rgba(17,24,39,.98);backdrop-filter:blur(16px);flex-direction:column;padding:1.5rem;text-align:center;border-bottom:1px solid var(--border-light);gap:1rem;}
    .nav-links.active{display:flex;}
    .hamburger{display:block;}
    .navbar .btn-sm{display:none;}
    .section{padding:3rem 0;}
    .grid-3{grid-template-columns:1fr;}
    .feature-panel{padding:1.5rem;}
    .glass-box{padding:1.5rem;}
    .container{padding:0 1rem;}
    .footer-top.grid-2{grid-template-columns:1fr;}
    .rings-container{width:220px;height:220px;}
    .hero{min-height:auto;padding:7rem 0 3rem;}
}
@media(max-width:480px){
    .hero-actions{flex-direction:column;align-items:center;}
    .btn{width:100%;justify-content:center;}
    .hero{padding:6rem 0 2rem;}
    .tag{font-size:.72rem;padding:.2rem .5rem;}
}