/* CSS Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0b0e1a;--bg2:#11162b;--bg3:#1a2040;--text:#e2e6f0;--text2:#a0a8c0;--accent:#e0a82d;--accent2:#f5c542;--border:#2a3050;--radius:12px;--shadow:0 8px 32px rgba(0,0,0,.5);--glow:0 0 40px rgba(224,168,45,.15)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent2)}
img{max-width:100%;height:auto;display:block}

/* Container & Grid */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-title{font-size:2rem;font-weight:700;margin-bottom:16px;color:#fff;letter-spacing:-.02em}
.section-sub{color:var(--text2);font-size:1.1rem;margin-bottom:48px;max-width:720px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px}
.grid-4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:32px}
.text-center{text-align:center}

/* Badge & Buttons */
.badge{display:inline-block;background:rgba(224,168,45,.15);color:var(--accent);padding:4px 16px;border-radius:50px;font-size:.85rem;font-weight:500;margin-bottom:12px;backdrop-filter:blur(4px)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0b0e1a;box-shadow:0 4px 16px rgba(224,168,45,.25)}
.btn:hover{background:linear-gradient(135deg,var(--accent2),var(--accent));transform:translateY(-3px);box-shadow:0 8px 32px rgba(224,168,45,.4)}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent);box-shadow:none}
.btn-outline:hover{background:var(--accent);color:#0b0e1a;transform:translateY(-3px);box-shadow:0 8px 24px rgba(224,168,45,.3)}

/* Card */
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.card:hover{border-color:var(--accent);box-shadow:var(--shadow),var(--glow);transform:translateY(-6px)}
hr{border:0;height:1px;background:var(--border);margin:60px 0}

/* Header / Navigation */
.header{position:sticky;top:0;z-index:100;background:rgba(11,14,26,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:16px}
.logo{font-size:1.6rem;font-weight:800;color:#fff;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.logo span{color:var(--accent)}
.nav{display:flex;gap:8px;list-style:none;flex-wrap:wrap}
.nav a{padding:8px 16px;border-radius:8px;color:var(--text2);font-size:.95rem;font-weight:500;transition:all .2s;position:relative}
.nav a::after{content:'';position:absolute;bottom:2px;left:50%;width:0;height:2px;background:var(--accent);transition:all .3s;transform:translateX(-50%);border-radius:2px}
.nav a:hover::after,.nav a.active::after{width:60%}
.nav a:hover{color:#fff;background:var(--bg3)}
.nav .active{color:#fff!important;background:var(--bg3)}
.mobile-toggle{display:none;background:transparent;border:none;color:#fff;font-size:1.8rem;cursor:pointer;padding:4px;transition:transform .2s}
.mobile-toggle:hover{transform:scale(1.1)}

/* Hero */
.hero{min-height:80vh;display:flex;align-items:center;position:relative;overflow:hidden;padding:120px 0 80px;background:linear-gradient(135deg,var(--bg) 0%,var(--bg2) 50%,var(--bg3) 100%)}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%,rgba(224,168,45,.12),transparent 60%),radial-gradient(circle at 80% 70%,rgba(0,100,255,.08),transparent 50%);pointer-events:none;animation:heroGlow 8s ease-in-out infinite alternate}
@keyframes heroGlow{0%{opacity:.6}100%{opacity:1}}
.hero-content{position:relative;z-index:2;max-width:720px;animation:fadeInUp .8s ease-out}
.hero h1{font-size:3.5rem;font-weight:800;line-height:1.15;margin-bottom:24px;color:#fff;letter-spacing:-.03em}
.hero h1 span{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradientShift 4s ease-in-out infinite}
@keyframes gradientShift{0%,100%{filter:hue-rotate(0deg)}50%{filter:hue-rotate(10deg)}}
.hero p{font-size:1.2rem;color:var(--text2);margin-bottom:40px;max-width:600px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-img{position:absolute;right:-5%;top:50%;transform:translateY(-50%);max-width:45%;opacity:.12;pointer-events:none;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(-50%) translateX(0)}50%{transform:translateY(-55%) translateX(-10px)}}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.stat{text-align:center;padding:16px;transition:transform .3s}
.stat:hover{transform:scale(1.05)}
.stat-num{font-size:2.2rem;font-weight:800;color:var(--accent)}
.stat-label{color:var(--text2);font-size:.9rem}

/* Features */
.features .card{padding:40px 32px;text-align:center;position:relative;overflow:hidden}
.features .card::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(224,168,45,.05),transparent 70%);opacity:0;transition:opacity .4s}
.features .card:hover::before{opacity:1}
.features .card .icon{font-size:2.8rem;margin-bottom:16px;display:block;transition:transform .3s}
.features .card:hover .icon{transform:scale(1.15) rotate(-5deg)}
.features .card h3{font-size:1.3rem;margin-bottom:12px;color:#fff}
.features .card p{color:var(--text2);font-size:.95rem}

/* HowTo */
.howto-step{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--border);transition:all .3s;cursor:default}
.howto-step:hover{background:rgba(224,168,45,.03);padding-left:12px;border-radius:8px}
.howto-step:last-child{border-bottom:none}
.step-num{flex-shrink:0;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0b0e1a;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;box-shadow:0 4px 12px rgba(224,168,45,.3)}
.step-content h4{color:#fff;font-size:1.15rem;margin-bottom:8px}
.step-content p{color:var(--text2)}

/* Banner Slider */
.banner{position:relative;overflow:hidden;border-radius:var(--radius);background:linear-gradient(135deg,var(--bg3),var(--bg2));min-height:320px;display:flex;align-items:center;padding:48px;box-shadow:inset 0 0 60px rgba(224,168,45,.05)}
.banner-slide{display:none;animation:fadeIn .6s ease-out}
.banner-slide.active{display:block}
.banner-slide h2{font-size:2rem;color:#fff;margin-bottom:16px}
.banner-slide p{color:var(--text2);max-width:500px;margin-bottom:24px}
.banner-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:12px}
.banner-dots button{width:14px;height:14px;border-radius:50%;border:2px solid var(--accent);background:transparent;cursor:pointer;transition:all .3s;padding:0}
.banner-dots button.active{background:var(--accent);box-shadow:0 0 12px rgba(224,168,45,.5)}
.banner-dots button:hover{background:rgba(224,168,45,.3)}
@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border);padding:20px 0;cursor:pointer;transition:background .2s}
.faq-item:hover{background:rgba(224,168,45,.02)}
.faq-q{display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#fff;font-size:1.05rem;gap:16px}
.faq-q .arrow{font-size:1.4rem;transition:transform .4s cubic-bezier(.4,0,.2,1);color:var(--accent);flex-shrink:0}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s ease,padding .4s;color:var(--text2);padding-top:0}
.faq-item.active .faq-a{max-height:400px;padding-top:16px}

/* Articles */
.article-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.article-card::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transition:transform .3s;transform-origin:left}
.article-card:hover::after{transform:scaleX(1)}
.article-card:hover{border-color:var(--accent);transform:translateY(-6px);box-shadow:var(--shadow)}
.article-card .tag{color:var(--accent);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.article-card h3{font-size:1.1rem;margin:12px 0 8px;color:#fff;line-height:1.4}
.article-card p{color:var(--text2);font-size:.9rem;margin-bottom:16px}
.article-card a{font-weight:600;font-size:.95rem;position:relative}
.article-card a::after{content:'→';margin-left:4px;transition:margin .2s}
.article-card a:hover::after{margin-left:8px}

/* Testimonials */
.testi-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:32px;text-align:center;transition:all .3s}
.testi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.testi-card .quote{color:var(--text2);font-style:italic;margin-bottom:16px;font-size:1rem;position:relative}
.testi-card .quote::before{content:'"';font-size:2rem;color:var(--accent);opacity:.3;position:absolute;top:-10px;left:-8px}
.testi-card .author{color:#fff;font-weight:600}
.testi-card .role{color:var(--text2);font-size:.85rem}

/* Comparison Table */
.compare-table{width:100%;border-collapse:collapse;margin:32px 0;background:var(--bg2);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.3)}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--border)}
.compare-table th{background:var(--bg3);color:var(--accent);font-weight:600}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td{color:var(--text2);transition:background .2s}
.compare-table tr:hover td{background:rgba(224,168,45,.03)}
.compare-table .highlight{color:#fff;font-weight:600}

/* Footer */
.footer{background:var(--bg2);border-top:1px solid var(--border);padding:60px 0 40px;position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.3}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}
.footer h4{color:#fff;font-size:1.1rem;margin-bottom:16px;position:relative;display:inline-block}
.footer h4::after{content:'';display:block;width:30px;height:2px;background:var(--accent);margin-top:6px;border-radius:2px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul a{color:var(--text2);font-size:.9rem;transition:all .2s;display:inline-block}
.footer ul a:hover{color:var(--accent);transform:translateX(4px)}
.footer-bottom{border-top:1px solid var(--border);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;color:var(--text2);font-size:.85rem}

/* Back to Top */
.back-top{position:fixed;bottom:32px;right:32px;width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0b0e1a;border:none;font-size:1.8rem;cursor:pointer;box-shadow:0 4px 20px rgba(224,168,45,.3);opacity:0;visibility:hidden;transition:all .4s cubic-bezier(.4,0,.2,1);z-index:99;display:flex;align-items:center;justify-content:center}
.back-top.visible{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-6px) scale(1.05);box-shadow:0 8px 32px rgba(224,168,45,.5)}

/* Counter Animation */
.counter-num{font-size:2.8rem;font-weight:800;color:var(--accent);line-height:1.2;transition:all .3s}

/* Utility Classes */
.mt-16{margin-top:16px}
.mb-16{margin-bottom:16px}
.gap-16{gap:16px}
.flex{display:flex}
.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}
.justify-between{justify-content:space-between}

/* Responsive */
@media(max-width:1024px){
    .grid-4{grid-template-columns:1fr 1fr}
    .hero h1{font-size:2.8rem}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .about-grid{grid-template-columns:1fr}
    .hero{padding:100px 0 60px;min-height:auto}
    .hero h1{font-size:2.2rem}
    .hero p{font-size:1rem}
    .hero-img{display:none}
    .section{padding:60px 0}
    .section-title{font-size:1.6rem}
    .nav{display:none;flex-direction:column;width:100%;background:var(--bg2);padding:16px;border-radius:var(--radius);margin-top:8px;gap:4px}
    .nav.open{display:flex}
    .nav a::after{display:none}
    .mobile-toggle{display:block}
    .header-inner{flex-wrap:wrap}
    .footer-grid{grid-template-columns:1fr}
    .about-stats{grid-template-columns:1fr 1fr}
    .banner{padding:32px 24px;min-height:260px}
    .banner-slide h2{font-size:1.5rem}
}
@media(max-width:480px){
    .hero h1{font-size:1.8rem}
    .btn{padding:12px 24px;font-size:.9rem}
    .section-title{font-size:1.4rem}
    .container{padding:0 16px}
}

/* Scroll-triggered animations (via IntersectionObserver in JS, but CSS fallback) */
@media(prefers-reduced-motion:no-preference){
    .section{opacity:0;animation:sectionFadeIn .6s ease-out forwards}
    .section:nth-child(2){animation-delay:.1s}
    .section:nth-child(3){animation-delay:.2s}
    .section:nth-child(4){animation-delay:.3s}
    .section:nth-child(5){animation-delay:.4s}
    .section:nth-child(6){animation-delay:.5s}
}
@keyframes sectionFadeIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

/* Dark mode enhancement (already dark, but ensure consistency) */
.dark-mode .header{background:rgba(11,14,26,.95)}