:root{
  --primary:#7c3aed;
  --primary-dark:#6d28d9;
  --primary-light:#ede9fe;
  --accent:#f59e0b;
  --accent-light:#fef3c7;
  --text:#1a1a1a;
  --text-light:#555;
  --bg:#fff;
  --bg-alt:#faf5ff;
  --bg-dark:#1e1033;
  --border:#e2e8f0;
  --radius:12px;
  --shadow:0 2px 8px rgba(0,0,0,.08);
  --shadow-lg:0 8px 30px rgba(0,0,0,.12);
  --max-w:1200px;
  --font:'Segoe UI',system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}

a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}

img{max-width:100%;height:auto;display:block}

h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text)}
h1{font-size:2.5rem;margin-bottom:1rem}
h2{font-size:2rem;margin-bottom:.75rem}
h3{font-size:1.5rem;margin-bottom:.5rem}
h4{font-size:1.25rem;margin-bottom:.5rem}
p{margin-bottom:1rem}

.container{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}

/* Navbar */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.navbar.scrolled{box-shadow:var(--shadow)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--max-w);margin:0 auto;padding:.75rem 1.5rem}
.nav-logo{font-size:1.25rem;font-weight:800;color:var(--text)}
.nav-logo span{color:var(--primary)}
.nav-links{display:flex;gap:1.5rem;list-style:none;align-items:center}
.nav-links a{color:var(--text);font-weight:500;font-size:.95rem;transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-cta{background:var(--primary);color:#fff!important;padding:.5rem 1.25rem;border-radius:var(--radius);font-weight:600;transition:background .2s,transform .2s}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{display:block;width:26px;height:3px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}

/* Sections */
.section{padding:5rem 0}
.section-alt{padding:5rem 0;background:var(--bg-alt)}
.section-dark{padding:5rem 0;background:var(--bg-dark);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:rgba(255,255,255,.85)}
.section-title{text-align:center;margin-bottom:3rem}
.section-title p{color:var(--text-light);font-size:1.1rem;max-width:680px;margin:0 auto}
.section-dark .section-title p{color:rgba(255,255,255,.8)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,#a855f7 100%);color:#fff;padding:5rem 0 4rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);border-radius:50%}
.hero h1{color:#fff;font-size:2.8rem;max-width:600px}
.hero p{color:rgba(255,255,255,.9);font-size:1.15rem;max-width:540px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.hero-img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.hero-badges{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.5rem 0}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.15);backdrop-filter:blur(6px);padding:.5rem 1rem;border-radius:50px;font-size:.9rem;font-weight:500}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:all .25s}
.btn-primary{background:var(--accent);color:#1a1a1a}
.btn-primary:hover{background:#e8930a;transform:translateY(-2px);box-shadow:0 4px 15px rgba(245,158,11,.3);color:#1a1a1a}
.btn-secondary{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.btn-secondary:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--primary-dark)}
.btn-white:hover{background:var(--primary-light);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}

/* Grids */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}

/* Cards */
.card{background:#fff;border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-icon{width:56px;height:56px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1rem;background:var(--primary-light);color:var(--primary)}
.card h3{margin-bottom:.5rem}
.card p{color:var(--text-light);font-size:.95rem}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
.stat-item{padding:1.5rem}
.stat-number{font-size:2.2rem;font-weight:800;color:var(--accent);display:block}
.stat-label{font-size:.95rem;color:rgba(255,255,255,.8);margin-top:.25rem}

/* FAQ */
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem;overflow:hidden;background:#fff}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;cursor:pointer;font-weight:600;font-size:1.05rem;background:none;border:none;width:100%;text-align:left;color:var(--text);font-family:var(--font);transition:background .2s}
.faq-question:hover{background:var(--primary-light)}
.faq-question::after{content:'+';font-size:1.4rem;font-weight:300;color:var(--primary);transition:transform .3s;flex-shrink:0;margin-left:1rem}
.faq-item.active .faq-question::after{content:'\2212';transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease}
.faq-item.active .faq-answer{max-height:600px;padding:0 1.5rem 1.25rem}
.faq-answer p{color:var(--text-light);margin-bottom:.5rem}

/* Blog */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.blog-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.blog-card img{width:100%;height:200px;object-fit:cover}
.blog-card-body{padding:1.5rem}
.blog-card-body h3{font-size:1.15rem;margin-bottom:.5rem}
.blog-card-body h3 a{color:var(--text)}
.blog-card-body h3 a:hover{color:var(--primary)}
.blog-card-body p{color:var(--text-light);font-size:.9rem}

/* CTA Banner */
.cta-banner{background:linear-gradient(135deg,var(--primary-dark),var(--primary));border-radius:var(--radius);padding:3rem;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-30%;right:-10%;width:300px;height:300px;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 70%);border-radius:50%}
.cta-banner h2{color:#fff;margin-bottom:.75rem}
.cta-banner p{color:rgba(255,255,255,.9);margin-bottom:1.5rem;max-width:600px;margin-left:auto;margin-right:auto}

/* Tables */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);margin:1.5rem 0}
.table-wrap table{width:100%;border-collapse:collapse;min-width:500px}
.table-wrap th{background:var(--primary);color:#fff;padding:1rem;text-align:left;font-weight:600;font-size:.95rem}
.table-wrap td{padding:.85rem 1rem;border-bottom:1px solid var(--border);font-size:.95rem}
.table-wrap tr:hover{background:var(--primary-light)}
.table-wrap tr:last-child td{border-bottom:none}

/* Breadcrumbs */
.breadcrumbs{padding:1rem 0;font-size:.9rem;color:var(--text-light)}
.breadcrumbs a{color:var(--primary)}
.breadcrumbs span{margin:0 .4rem;color:var(--border)}

/* Article */
.article{max-width:800px;margin:0 auto}
.article h1{font-size:2.2rem}
.article h2{font-size:1.6rem;margin-top:2.5rem}
.article h3{font-size:1.3rem;margin-top:2rem}
.article ul,.article ol{margin:1rem 0 1.5rem 1.5rem;color:var(--text-light)}
.article li{margin-bottom:.5rem}
.article blockquote{border-left:4px solid var(--primary);padding:1rem 1.5rem;margin:1.5rem 0;background:var(--primary-light);border-radius:0 var(--radius) var(--radius) 0}
.article blockquote p{color:var(--text);margin-bottom:0}

/* Meta */
.meta{display:flex;align-items:center;gap:1rem;font-size:.9rem;color:var(--text-light);margin-bottom:1.5rem;flex-wrap:wrap}

/* Tags */
.tag{display:inline-block;padding:.25rem .75rem;border-radius:50px;font-size:.8rem;font-weight:600;background:var(--primary-light);color:var(--primary)}
.tag-accent{background:var(--accent-light);color:#92400e}

/* TOC */
.toc{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem 2rem;margin:2rem 0}
.toc h4{margin-bottom:.75rem;font-size:1rem}
.toc ol{margin:0;padding-left:1.25rem}
.toc li{margin-bottom:.4rem;font-size:.95rem}
.toc a{color:var(--text-light)}
.toc a:hover{color:var(--primary)}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.35rem .85rem;border-radius:50px;font-size:.85rem;font-weight:600}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-accent{background:var(--accent-light);color:#92400e}
.badge-success{background:#d1fae5;color:#065f46}

/* Highlight */
.highlight{background:var(--accent-light);border-left:4px solid var(--accent);padding:1.25rem 1.5rem;border-radius:0 var(--radius) var(--radius) 0;margin:1.5rem 0}
.highlight p{margin-bottom:0;color:var(--text)}

/* Footer */
.footer{background:var(--bg-dark);color:rgba(255,255,255,.8);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
.footer h4{color:#fff;margin-bottom:1rem;font-size:1rem}
.footer p{font-size:.9rem;margin-bottom:.5rem}
.footer a{color:rgba(255,255,255,.7);font-size:.9rem;transition:color .2s}
.footer a:hover{color:var(--accent)}
.footer ul{list-style:none}
.footer li{margin-bottom:.5rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:3rem;padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.85rem}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--accent)}

/* Steps */
.step{display:flex;gap:1.5rem;margin-bottom:2rem}
.step-num{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;flex-shrink:0}
.step-content h3{margin-bottom:.25rem}
.step-content p{color:var(--text-light)}

/* Comparison list */
.check-list{list-style:none;padding:0;margin:1rem 0}
.check-list li{padding:.5rem 0;padding-left:1.75rem;position:relative;color:var(--text-light)}
.check-list li::before{content:'\2713';position:absolute;left:0;color:var(--primary);font-weight:700}

/* Two col layout */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}

/* Responsive */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2.2rem}
}

@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(255,255,255,.98);backdrop-filter:blur(12px);padding:1rem 1.5rem;gap:.5rem;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .nav-links.active{display:flex}
  .nav-links a{padding:.5rem 0;font-size:1rem}
  .hamburger{display:flex}
  .hero-grid{grid-template-columns:1fr}
  .hero{text-align:center;padding:3rem 0}
  .hero p,.hero h1{max-width:100%}
  .hero-badges{justify-content:center}
  .hero-img{max-width:400px;margin:0 auto}
  .grid-2,.grid-3,.blog-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .section{padding:3rem 0}
  .section-alt{padding:3rem 0}
  .section-dark{padding:3rem 0}
  h1{font-size:2rem}
  h2{font-size:1.6rem}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}

@media(max-width:480px){
  body{font-size:15px}
  .container{padding:0 1rem}
  .hero h1{font-size:1.75rem}
  h1{font-size:1.75rem}
  h2{font-size:1.4rem}
  .btn{padding:.75rem 1.5rem;font-size:.9rem}
  .card{padding:1.5rem}
  .cta-banner{padding:2rem 1.5rem}
  .stats{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
}