/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:#e4e4e7;background:#09090b;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:#a78bfa;text-decoration:none;transition:color .2s}
a:hover{color:#c4b5fd}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* === Layout === */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:80px 0}
section:nth-child(even){background:#111113}

/* === Header === */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(9,9,11,.85);backdrop-filter:blur(12px);border-bottom:1px solid #27272a}
.header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.25rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px}
.logo span{background:linear-gradient(135deg,#a78bfa,#6d28d9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
nav{display:flex;align-items:center;gap:8px}
nav a{color:#a1a1aa;font-size:.875rem;padding:8px 14px;border-radius:8px;transition:all .2s}
nav a:hover{color:#fff;background:#27272a}
.nav-cta{background:linear-gradient(135deg,#7c3aed,#6d28d9)!important;color:#fff!important;font-weight:600}
.nav-cta:hover{opacity:.9}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* === Hero === */
.hero{padding:140px 0 100px;text-align:center;background:radial-gradient(ellipse at 50% 0%,rgba(124,58,237,.15),transparent 70%)}
.hero h1{font-size:3.5rem;font-weight:800;line-height:1.1;margin-bottom:24px;color:#fff}
.hero h1 .accent{background:linear-gradient(135deg,#a78bfa,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.2rem;color:#a1a1aa;max-width:680px;margin:0 auto 40px}
.hero-badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.badge{background:#18181b;border:1px solid #27272a;padding:6px 16px;border-radius:999px;font-size:.85rem;color:#d4d4d8}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:12px;font-size:1rem;font-weight:600;border:none;cursor:pointer;transition:all .2s}
.btn-primary{background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(124,58,237,.4);color:#fff}
.btn-secondary{background:#18181b;border:1px solid #3f3f46;color:#d4d4d8}
.btn-secondary:hover{border-color:#7c3aed;color:#fff;transform:translateY(-2px)}

/* === Section Titles === */
.section-title{text-align:center;margin-bottom:60px}
.section-title h2{font-size:2.25rem;font-weight:700;color:#fff;margin-bottom:12px}
.section-title p{color:#a1a1aa;font-size:1.05rem;max-width:600px;margin:0 auto}

/* === Model Cards (Homepage) === */
.models-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.model-card{background:#18181b;border:1px solid #27272a;border-radius:16px;padding:32px;transition:all .3s;position:relative;overflow:hidden}
.model-card:hover{border-color:#7c3aed;transform:translateY(-4px);box-shadow:0 12px 40px rgba(124,58,237,.15)}
.model-card .tag{position:absolute;top:16px;right:16px;background:#7c3aed;color:#fff;font-size:.75rem;padding:4px 10px;border-radius:6px;font-weight:600}
.model-card h3{font-size:1.4rem;color:#fff;margin-bottom:8px}
.model-card .subtitle{color:#7c3aed;font-size:.875rem;margin-bottom:16px}
.model-card p{color:#a1a1aa;font-size:.925rem;margin-bottom:20px}
.model-card .features{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.model-card .features span{background:#27272a;padding:4px 12px;border-radius:6px;font-size:.8rem;color:#d4d4d8}
.model-card .card-cta{display:block;text-align:center;padding:12px;background:linear-gradient(135deg,#7c3aed,#6d28d9);border-radius:10px;color:#fff;font-weight:600;transition:all .2s}
.model-card .card-cta:hover{opacity:.9;color:#fff}

/* === Features === */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#18181b;border:1px solid #27272a;border-radius:16px;padding:28px;text-align:center;transition:all .3s}
.feature-card:hover{border-color:#7c3aed}
.feature-card .icon{font-size:2.5rem;margin-bottom:16px}
.feature-card h3{font-size:1.1rem;color:#fff;margin-bottom:8px}
.feature-card p{color:#a1a1aa;font-size:.9rem}

/* === How It Works === */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step}
.step{text-align:center;position:relative}
.step::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:linear-gradient(135deg,#7c3aed,#6d28d9);border-radius:50%;color:#fff;font-weight:700;font-size:1.2rem;margin:0 auto 20px}
.step h3{color:#fff;margin-bottom:8px;font-size:1.1rem}
.step p{color:#a1a1aa;font-size:.9rem}

/* === Comparison Table === */
.comparison-table{width:100%;border-collapse:separate;border-spacing:0;background:#18181b;border-radius:16px;overflow:hidden;border:1px solid #27272a}
.comparison-table th{background:#1e1e22;color:#fff;padding:16px 20px;text-align:left;font-size:.9rem;font-weight:600;border-bottom:1px solid #27272a}
.comparison-table td{padding:14px 20px;border-bottom:1px solid #27272a;color:#d4d4d8;font-size:.9rem}
.comparison-table tr:last-child td{border-bottom:none}
.comparison-table td:first-child{color:#a1a1aa;font-weight:500}
.check{color:#22c55e}
.cross{color:#ef4444}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #27272a;border-radius:12px;margin-bottom:12px;overflow:hidden;background:#18181b}
.faq-item summary{padding:18px 24px;color:#fff;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.5rem;color:#7c3aed;transition:transform .2s}
.faq-item[open] summary::after{content:'-'}
.faq-item .faq-body{padding:0 24px 18px;color:#a1a1aa;font-size:.95rem;line-height:1.7}

/* === CTA Section === */
.cta-section{text-align:center;background:radial-gradient(ellipse at 50% 100%,rgba(124,58,237,.12),transparent 70%)}
.cta-section h2{font-size:2.25rem;color:#fff;margin-bottom:16px}
.cta-section p{color:#a1a1aa;margin-bottom:32px;font-size:1.05rem}

/* === Footer === */
.footer{background:#09090b;border-top:1px solid #27272a;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-brand p{color:#71717a;font-size:.875rem;margin-top:12px;max-width:280px}
.footer-col h4{color:#fff;font-size:.875rem;margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}
.footer-col a{display:block;color:#71717a;font-size:.85rem;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:#a78bfa}
.footer-bottom{border-top:1px solid #1a1a1e;padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{color:#52525b;font-size:.8rem}
.footer-bottom a{color:#52525b;font-size:.8rem;margin-left:16px}
.footer-bottom a:hover{color:#a78bfa}

/* === Responsive === */
@media(max-width:1024px){
  .features-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .hero h1{font-size:2.2rem}
  .hero p{font-size:1rem}
  .features-grid,.steps{grid-template-columns:1fr}
  .models-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  nav{display:none}
  nav.active{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:#09090b;border-bottom:1px solid #27272a;padding:16px}
  .menu-toggle{display:block}
  .comparison-table{font-size:.8rem}
  .comparison-table th,.comparison-table td{padding:10px 12px}
  section{padding:60px 0}
}

/* === Utility === */
.text-center{text-align:center}
.mt-4{margin-top:16px}
.mt-8{margin-top:32px}
.mb-4{margin-bottom:16px}
.mb-8{margin-bottom:32px}

/* === Language Switcher (header dropdown) === */
.lang-switcher{position:relative;display:inline-block;margin:0 8px}
.lang-toggle{background:#18181b;border:1px solid #2a2a2e;color:#e4e4e7;padding:7px 10px;border-radius:8px;cursor:pointer;font-size:.82rem;display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-weight:500;line-height:1;transition:all .15s}
.lang-toggle:hover{background:#27272a;border-color:#3a3a3e;color:#fff}
.lang-toggle .flag{font-size:1rem}
.lang-toggle .code{letter-spacing:.02em}
.lang-toggle .arrow{font-size:.7rem;color:#71717a;margin-left:2px}
.lang-menu{display:none;position:absolute;top:calc(100% + 6px);right:0;background:#18181b;border:1px solid #2a2a2e;border-radius:10px;padding:6px;min-width:180px;z-index:1000;list-style:none;margin:0;box-shadow:0 12px 32px rgba(0,0,0,.55);max-height:80vh;overflow-y:auto}
.lang-menu.open{display:block}
.lang-menu li{margin:0;padding:0;list-style:none}
.lang-menu a{display:flex;align-items:center;gap:10px;padding:8px 12px;color:#a1a1aa;text-decoration:none;border-radius:6px;font-size:.85rem;font-weight:500;transition:all .12s}
.lang-menu a:hover{color:#fff;background:#27272a}
.lang-menu a.active{color:#fff;background:#7c3aed}
.lang-menu a .flag{font-size:1.05rem}
.lang-menu a .name{flex:1}

@media(max-width:768px){
  .lang-switcher{margin:0 0 0 auto;order:-1}
  .lang-toggle{padding:6px 9px;font-size:.78rem}
  .lang-menu{right:auto;left:0;min-width:170px}
}

/* === RTL Support (Arabic, Hebrew) === */
html[dir="rtl"] body{text-align:right}
html[dir="rtl"] .container{direction:rtl}
html[dir="rtl"] .header .container{flex-direction:row-reverse}
html[dir="rtl"] nav{flex-direction:row-reverse}
html[dir="rtl"] .lang-switcher{margin:0 8px}
html[dir="rtl"] .lang-menu{right:auto;left:0}
html[dir="rtl"] .lang-toggle .arrow{margin-left:0;margin-right:2px}
html[dir="rtl"] .hero-cta{flex-direction:row-reverse}
html[dir="rtl"] .footer-bottom{flex-direction:row-reverse}
html[dir="rtl"] .footer-bottom a{margin-left:0;margin-right:16px}
html[dir="rtl"] .badge,html[dir="rtl"] .tag{direction:rtl}
html[dir="rtl"] .features span{direction:rtl}
html[dir="rtl"] .card-cta::after,html[dir="rtl"] .btn-primary::after{transform:scaleX(-1)}
html[dir="rtl"] .comparison-table{direction:rtl}
html[dir="rtl"] .comparison-table th,html[dir="rtl"] .comparison-table td{text-align:right}
html[dir="rtl"] details summary{padding-left:36px;padding-right:16px}
html[dir="rtl"] details summary::after{left:16px;right:auto}
@media(max-width:768px){
  html[dir="rtl"] nav.active{align-items:flex-end}
  html[dir="rtl"] .lang-switcher{margin:0 auto 0 0;order:-1}
}