/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.7;color:#e0e0e0;background:#0d0d1a;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700}

/* ===== VARIABLES ===== */
:root{
  --primary:#7c3aed;
  --primary-dark:#5b21b6;
  --primary-light:#a78bfa;
  --accent:#f472b6;
  --accent-dark:#db2777;
  --bg-dark:#0d0d1a;
  --bg-card:#1a1a2e;
  --bg-card-hover:#252545;
  --text-primary:#f0f0f0;
  --text-secondary:#a0a0b8;
  --text-muted:#6b6b80;
  --border-color:#2a2a40;
  --gradient-main:linear-gradient(135deg,#7c3aed 0%,#db2777 100%);
  --gradient-dark:linear-gradient(180deg,#0d0d1a 0%,#1a1a2e 100%);
  --shadow-lg:0 20px 60px rgba(124,58,237,.15);
  --shadow-card:0 4px 20px rgba(0,0,0,.3);
  --radius:12px;
  --radius-lg:20px;
  --max-width:1200px;
  --header-height:70px;
}

/* ===== UTILITY ===== */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}
.text-center{text-align:center}
.text-gradient{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-padding{padding:80px 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;transition:all .3s ease;cursor:pointer;border:none;text-align:center}
.btn-primary{background:var(--gradient-main);color:#fff;box-shadow:0 4px 15px rgba(124,58,237,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(124,58,237,.5)}
.btn-secondary{background:transparent;color:var(--primary-light);border:2px solid var(--primary)}
.btn-secondary:hover{background:var(--primary);color:#fff}
.btn-download{background:linear-gradient(135deg,#10b981,#059669);color:#fff;font-size:1.1rem;padding:16px 40px;box-shadow:0 4px 15px rgba(16,185,129,.4)}
.btn-download:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(16,185,129,.5)}

/* ===== HEADER ===== */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,13,26,.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);transition:all .3s}
.header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.5)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:var(--header-height)}
.header-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800}
.header-logo img{width:40px;height:40px;border-radius:8px}
.header-logo span{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav{display:flex;align-items:center;gap:8px}
.nav a{padding:8px 16px;border-radius:8px;font-size:.9rem;font-weight:500;color:var(--text-secondary);transition:all .3s}
.nav a:hover,.nav a.active{color:#fff;background:rgba(124,58,237,.15)}
.nav-lang{display:flex;align-items:center;gap:4px;margin-left:12px;padding-left:12px;border-left:1px solid var(--border-color)}
.nav-lang a{padding:6px 10px;font-size:.8rem;border-radius:6px;color:var(--text-muted);font-weight:600;text-transform:uppercase}
.nav-lang a:hover,.nav-lang a.active{color:var(--accent);background:rgba(244,114,182,.1)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);transition:all .3s;border-radius:2px}
.mobile-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-toggle.open span:nth-child(2){opacity:0}
.mobile-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== HERO ===== */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;padding-top:var(--header-height);overflow:hidden;background:var(--gradient-dark)}
.hero::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 30% 20%,rgba(124,58,237,.15) 0%,transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(219,39,119,.1) 0%,transparent 60%);pointer-events:none}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-content{animation:fadeInUp .8s ease}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(124,58,237,.15);border:1px solid rgba(124,58,237,.3);border-radius:50px;font-size:.85rem;color:var(--primary-light);margin-bottom:20px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#10b981;animation:pulse 2s infinite}
.hero-title{font-size:3.2rem;font-weight:800;margin-bottom:16px;line-height:1.15}
.hero-subtitle{font-size:1.15rem;color:var(--text-secondary);margin-bottom:32px;max-width:500px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.hero-stat{text-align:center}
.hero-stat-value{font-size:1.8rem;font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stat-label{font-size:.8rem;color:var(--text-muted);margin-top:4px}
.hero-image{position:relative;animation:fadeInUp .8s ease .2s both;max-width:500px}
.hero-image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);max-height:420px;object-fit:cover}
.hero-image::after{content:'';position:absolute;inset:-20px;border-radius:var(--radius-lg);background:var(--gradient-main);opacity:.1;z-index:-1;filter:blur(40px)}

/* ===== SECTIONS ===== */
.section-header{text-align:center;margin-bottom:50px}
.section-label{display:inline-block;padding:6px 16px;background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.25);border-radius:50px;font-size:.8rem;font-weight:600;color:var(--primary-light);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}
.section-title{font-size:2.4rem;font-weight:800;margin-bottom:12px}
.section-desc{font-size:1.05rem;color:var(--text-secondary);max-width:600px;margin:0 auto}

/* ===== CARDS ===== */
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;transition:all .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(124,58,237,.3);background:var(--bg-card-hover)}
.card-icon{width:56px;height:56px;border-radius:14px;background:rgba(124,58,237,.12);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.5rem}
.card-title{font-size:1.2rem;font-weight:700;margin-bottom:10px;color:var(--text-primary)}
.card-text{font-size:.95rem;color:var(--text-secondary);line-height:1.6}

.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cards-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* ===== FEATURES ===== */
.features-section{background:var(--bg-card)}
.feature-item{display:flex;gap:16px;align-items:flex-start;padding:20px;border-radius:var(--radius);transition:background .3s}
.feature-item:hover{background:rgba(124,58,237,.05)}
.feature-icon{flex-shrink:0;width:44px;height:44px;border-radius:10px;background:var(--gradient-main);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem}
.feature-content h3{font-size:1.05rem;margin-bottom:4px;color:var(--text-primary)}
.feature-content p{font-size:.9rem;color:var(--text-secondary)}

/* ===== SCREENSHOT GALLERY ===== */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.gallery-item{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-color);cursor:pointer;transition:all .3s}
.gallery-item:hover{transform:scale(1.02);box-shadow:var(--shadow-lg)}
.gallery-item img{width:100%;height:220px;object-fit:cover;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.05)}

/* ===== DOWNLOAD SECTION ===== */
.download-section{background:linear-gradient(180deg,var(--bg-dark),var(--bg-card))}
.download-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;max-width:800px;margin:0 auto}
.download-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:40px;text-align:center;transition:all .3s;position:relative;overflow:hidden}
.download-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-main)}
.download-card:hover{border-color:rgba(124,58,237,.4);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.download-card h3{font-size:1.4rem;margin-bottom:8px}
.download-card .version{color:var(--accent);font-size:.9rem;margin-bottom:4px}
.download-card .size{color:var(--text-muted);font-size:.85rem;margin-bottom:20px}

/* ===== FAQ ACCORDION ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border-color);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:border-color .3s}
.faq-item:hover{border-color:rgba(124,58,237,.3)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;font-weight:600;font-size:1rem;color:var(--text-primary);background:var(--bg-card);transition:background .3s}
.faq-question:hover{background:var(--bg-card-hover)}
.faq-question .arrow{font-size:1.2rem;transition:transform .3s;color:var(--primary-light)}
.faq-item.active .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.active .faq-answer{max-height:500px}
.faq-answer-inner{padding:0 24px 20px;color:var(--text-secondary);font-size:.95rem;line-height:1.7}

/* ===== INSTALL STEPS ===== */
.steps{max-width:700px;margin:0 auto}
.step{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--border-color)}
.step:last-child{border-bottom:none}
.step-number{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--gradient-main);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:1.1rem}
.step-content h3{font-size:1.05rem;margin-bottom:6px;color:var(--text-primary)}
.step-content p{font-size:.93rem;color:var(--text-secondary)}

/* ===== TABLE ===== */
.info-table{width:100%;border-collapse:collapse;margin:20px 0}
.info-table th,.info-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border-color)}
.info-table th{background:var(--bg-card);color:var(--text-primary);font-weight:600;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}
.info-table td{color:var(--text-secondary);font-size:.95rem}
.info-table tr:hover td{background:rgba(124,58,237,.03)}

/* ===== CHARACTERS SECTION ===== */
.character-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;transition:all .3s}
.character-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(124,58,237,.3)}
.character-card img{width:100%;height:200px;object-fit:cover}
.character-card-body{padding:24px}
.character-card-body h3{font-size:1.15rem;margin-bottom:8px;color:var(--text-primary)}
.character-card-body p{font-size:.9rem;color:var(--text-secondary);line-height:1.6}

/* ===== CTA SECTION ===== */
.cta-section{position:relative;overflow:hidden}
.cta-box{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:60px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(124,58,237,.08) 0%,transparent 60%);pointer-events:none}
.cta-box h2{font-size:2rem;margin-bottom:12px}
.cta-box p{color:var(--text-secondary);margin-bottom:28px;font-size:1.05rem}

/* ===== FOOTER ===== */
.footer{background:#08081a;border-top:1px solid var(--border-color);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand p{color:var(--text-secondary);font-size:.9rem;margin-top:12px;max-width:300px;line-height:1.6}
.footer-col h4{font-size:.95rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}
.footer-col a{display:block;padding:4px 0;font-size:.9rem;color:var(--text-secondary);transition:color .3s}
.footer-col a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid var(--border-color);padding:20px 0;text-align:center}
.footer-bottom p{font-size:.85rem;color:var(--text-muted)}

/* ===== BREADCRUMB ===== */
.breadcrumb{padding:100px 0 20px;background:var(--gradient-dark)}
.breadcrumb-list{display:flex;gap:8px;align-items:center;font-size:.9rem;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb-list a{color:var(--text-secondary);transition:color .3s}
.breadcrumb-list a:hover{color:var(--primary-light)}
.breadcrumb-list .sep{color:var(--text-muted)}

/* ===== PAGE HERO ===== */
.page-hero{padding:120px 0 60px;background:var(--gradient-dark);text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 50% 0%,rgba(124,58,237,.12) 0%,transparent 60%);pointer-events:none}
.page-hero h1{font-size:2.6rem;margin-bottom:12px}
.page-hero p{color:var(--text-secondary);font-size:1.1rem;max-width:600px;margin:0 auto}

/* ===== CONTENT PAGE ===== */
.content-page{padding:60px 0 80px}
.content-page .container{max-width:800px}
.content-page h2{font-size:1.6rem;margin:36px 0 12px;color:var(--text-primary)}
.content-page h3{font-size:1.2rem;margin:24px 0 8px;color:var(--text-primary)}
.content-page p{margin-bottom:16px;color:var(--text-secondary);line-height:1.8}
.content-page ul{margin:12px 0 20px 20px}
.content-page ul li{position:relative;padding:4px 0 4px 20px;color:var(--text-secondary);font-size:.95rem}
.content-page ul li::before{content:'';position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.content-page a{color:var(--primary-light);text-decoration:underline;text-underline-offset:3px}
.content-page a:hover{color:var(--accent)}
.content-page strong{color:var(--text-primary)}

/* ===== TOC ===== */
.toc{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:24px;margin-bottom:32px}
.toc h3{font-size:1rem;margin-bottom:12px;color:var(--text-primary)}
.toc ul{margin:0}
.toc ul li{padding:6px 0 6px 20px}
.toc ul li::before{content:none}
.toc a{color:var(--primary-light);text-decoration:none;font-size:.93rem}
.toc a:hover{color:var(--accent);text-decoration:underline}

/* ===== CONTACT FORM ===== */
.contact-form{max-width:600px;margin:0 auto}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.9rem;font-weight:600;margin-bottom:6px;color:var(--text-primary)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 18px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);color:var(--text-primary);font-size:.95rem;font-family:inherit;transition:border-color .3s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group textarea{resize:vertical;min-height:120px}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.animate-on-scroll{opacity:0;transform:translateY(30px);transition:all .6s ease}
.animate-on-scroll.visible{opacity:1;transform:translateY(0)}

/* ===== TABS ===== */
.tabs{display:flex;gap:4px;margin-bottom:24px;background:var(--bg-card);padding:4px;border-radius:var(--radius);border:1px solid var(--border-color);width:fit-content}
.tab-btn{padding:10px 24px;border-radius:8px;font-size:.9rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .3s;background:none;border:none}
.tab-btn.active{background:var(--gradient-main);color:#fff}
.tab-content{display:none}
.tab-content.active{display:block}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .hero .container{grid-template-columns:1fr;text-align:center}
  .hero-subtitle{margin:0 auto 32px}
  .hero-buttons{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-image{max-width:400px;margin:0 auto}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .cards-grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav{position:fixed;top:var(--header-height);left:0;right:0;background:rgba(13,13,26,.98);backdrop-filter:blur(20px);flex-direction:column;padding:20px;gap:4px;transform:translateY(-120%);transition:transform .3s;border-bottom:1px solid var(--border-color)}
  .nav.open{transform:translateY(0)}
  .nav-lang{margin-left:0;padding-left:0;border-left:none;padding-top:12px;border-top:1px solid var(--border-color);justify-content:center;flex-wrap:wrap}
  .mobile-toggle{display:flex}
  .hero{padding-top:calc(var(--header-height) + 20px)}
  .hero-badge{margin-top:16px}
  .hero-title{font-size:2.2rem}
  .hero-stats{gap:20px}
  .section-title{font-size:1.8rem}
  .page-hero h1{font-size:2rem}
  .cards-grid,.cards-grid-2{grid-template-columns:1fr}
  .cards-grid-4{grid-template-columns:1fr 1fr}
  .download-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
  .cta-box{padding:40px 24px}
}
@media(max-width:480px){
  .hero-title{font-size:1.8rem}
  .hero-stat-value{font-size:1.4rem}
  .btn{padding:12px 24px;font-size:.9rem}
  .cards-grid-4{grid-template-columns:1fr}
  .section-padding{padding:50px 0}
}