*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#5B5FED;
  --primary-dark:#4345C0;
  --primary-light:#818CF8;
  --accent:#6EE768;
  --accent-dark:#4AD844;
  --dark:#0B0B1A;
  --dark-surface:#12122A;
  --dark-card:#1A1A35;
  --dark-card-alt:#222245;
  --text:#E8E8F0;
  --text-secondary:#9494B8;
  --text-muted:#6B6B8D;
  --bg:#0B0B1A;
  --bg-alt:#0F0F24;
  --border:rgba(255,255,255,.07);
  --border-hover:rgba(255,255,255,.15);
  --radius:12px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow:0 4px 24px rgba(0,0,0,.3);
  --shadow-lg:0 12px 40px rgba(0,0,0,.4);
  --glow-primary:0 0 40px rgba(91,95,237,.25);
  --glow-accent:0 0 40px rgba(110,231,104,.2);
  --transition:0.3s cubic-bezier(.4,0,.2,1);
  --font-sans:'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition);-webkit-tap-highlight-color:transparent}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(11,11,26,.75);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:background var(--transition)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.5rem;font-weight:900;color:#fff;letter-spacing:-.02em}
.nav-links{display:flex;gap:32px}
.nav-links a{font-size:.875rem;font-weight:500;color:var(--text-secondary);transition:color var(--transition)}
.nav-links a:hover{color:#fff}
.nav-cta{display:inline-flex;align-items:center;padding:8px 22px;background:var(--accent);color:var(--dark);font-size:.875rem;font-weight:700;border-radius:8px;transition:all var(--transition)}
.nav-cta:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--glow-accent)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;width:28px;height:20px;position:relative;flex-direction:column;justify-content:space-between;-webkit-tap-highlight-color:transparent;padding:12px;box-sizing:content-box}
.mobile-toggle span{display:block;width:100%;height:2px;background:#fff;border-radius:2px;transition:all var(--transition);transform-origin:center}
.mobile-toggle[aria-expanded="true"] span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.mobile-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.mobile-toggle[aria-expanded="true"] span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;font-size:1rem;font-weight:600;border-radius:var(--radius);transition:all var(--transition);cursor:pointer;border:none;text-align:center;justify-content:center}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 20px rgba(91,95,237,.35)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 30px rgba(91,95,237,.4)}
.btn-secondary{background:var(--accent);color:var(--dark);font-weight:700;box-shadow:0 4px 20px rgba(110,231,104,.25)}
.btn-secondary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 30px rgba(110,231,104,.3)}
.btn-light{background:#fff;color:var(--dark);box-shadow:0 4px 16px rgba(0,0,0,.2)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.btn-outline-light{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.25)}
.btn-outline-light:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.btn-download{min-width:200px}

/* ===== Hero (3-column layout) ===== */
.hero{padding:160px 0 100px 0;background:var(--primary);color:#fff;position:relative;z-index:1}
.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:-1}
.hero-bg::before{content:'';position:absolute;top:-200px;right:-150px;width:700px;height:700px;background:radial-gradient(circle,rgba(110,231,104,.12) 0%,transparent 65%);border-radius:50%;pointer-events:none}
.hero-bg::after{content:'';position:absolute;bottom:0;left:-100px;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.04) 0%,transparent 65%);border-radius:50%;pointer-events:none}
.hero-container{max-width:1400px;margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}

/* Left column */
.hero-left{flex:1;max-width:440px;padding-right:20px}
.hero-badge{display:block;font-size:.75rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:24px;color:rgba(255,255,255,.8)}
.hero h1{font-size:4.2rem;font-weight:900;line-height:1.15;letter-spacing:-.03em;margin-bottom:0}
.sparkle{color:var(--accent);font-size:.8em;vertical-align:super;display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.8)}}
.hero-highlight{color:var(--accent);position:relative}

.hero-scroll{margin-top:60px;display:flex;align-items:center;gap:16px}
.scroll-line{display:block;width:2px;height:48px;background:rgba(255,255,255,.2);border-radius:1px;position:relative;overflow:hidden}
.scroll-line::after{content:'';position:absolute;top:-100%;left:0;width:100%;height:50%;background:#fff;border-radius:1px;animation:scroll-anim 2s ease-in-out infinite}
@keyframes scroll-anim{0%{top:-50%}100%{top:150%}}
.scroll-text{font-size:.8rem;font-weight:500;letter-spacing:.04em;opacity:.7;line-height:1.4}

/* Center column - phone */
.hero-center{flex:0 0 440px;display:flex;justify-content:center;position:relative;z-index:2;margin-bottom:-280px}
.hero-phone{width:100%;display:flex;justify-content:center}
.hero-phone img{width:100%;max-width:440px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.4));animation:float 6s ease-in-out infinite;transform-origin:bottom center}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* Right column */
.hero-right{flex:1;max-width:440px;padding-left:20px}
.hero-stats{display:flex;gap:48px;margin-bottom:32px}
.stat-card{display:flex;flex-direction:column}
.stat-label{font-size:.8rem;font-weight:600;letter-spacing:.04em;opacity:.8;margin-bottom:8px}
.stat-card strong{font-size:2.5rem;font-weight:900;letter-spacing:-.02em;line-height:1;color:#fff}
.stat-card .accent{color:var(--accent)}
.hero-desc{font-size:1rem;line-height:1.8;opacity:.85;margin-bottom:40px;max-width:380px}
.hero-dl-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;opacity:.9}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* Store-style buttons (hero) */
.btn-store{background:#fff;color:var(--dark);border:none;padding:12px 20px;border-radius:10px;gap:12px;min-width:165px;transition:all var(--transition);display:inline-flex;align-items:center;text-align:left;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.btn-store:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.25)}
.btn-store span{display:flex;flex-direction:column;line-height:1.2}
.btn-store span small{font-size:.65rem;font-weight:500;color:var(--text-secondary);margin-bottom:2px}
.btn-store span strong{font-size:1.05rem;font-weight:800;color:var(--dark)}
.btn-store svg{color:var(--dark)}

/* ===== Features (bottom edge of hero) ===== */
.features{padding:220px 0 100px;background:var(--bg)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{background:var(--dark-card);padding:36px 24px;border-radius:var(--radius-lg);border:1px solid var(--border);transition:all var(--transition);text-align:center}
.feature-card:nth-child(2),.feature-card:nth-child(3){background:linear-gradient(135deg,rgba(110,231,104,.12),rgba(110,231,104,.04));border-color:rgba(110,231,104,.15)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--glow-primary);border-color:var(--primary-light)}
.feature-icon{width:52px;height:52px;background:rgba(255,255,255,.06);color:var(--primary-light);border-radius:14px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px;border:1px solid rgba(255,255,255,.08)}
.feature-card:nth-child(2) .feature-icon,.feature-card:nth-child(3) .feature-icon{color:var(--accent);background:rgba(110,231,104,.1);border-color:rgba(110,231,104,.15)}
.feature-card h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;color:#fff}
.feature-card p{font-size:.84rem;color:var(--text-secondary);line-height:1.7}

/* ===== Section Common ===== */
.section-header{text-align:center;max-width:600px;margin:0 auto 56px}
.section-tag{display:inline-block;padding:4px 14px;background:rgba(91,95,237,.12);color:var(--primary-light);font-size:.72rem;font-weight:700;border-radius:100px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;border:1px solid rgba(91,95,237,.15)}
.section-header h2{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;margin-bottom:12px;color:#fff}
.section-header h2 strong{color:var(--accent)}
.section-desc{color:var(--text-secondary);font-size:1rem;line-height:1.7}

/* ===== How it works ===== */
.how-it-works{padding:100px 0;background:var(--bg-alt)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step-card{position:relative;padding:40px 28px 36px;background:var(--dark-card);border-radius:var(--radius-lg);border:1px solid var(--border);transition:all var(--transition)}
.step-card:hover{border-color:var(--primary-light);box-shadow:var(--glow-primary)}
.step-num{font-size:3rem;font-weight:900;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;opacity:.2;line-height:1;display:block;margin-bottom:16px}
.step-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;color:#fff}
.step-card p{font-size:.86rem;color:var(--text-secondary);line-height:1.75}

/* ===== About ===== */
.about{padding:100px 0;background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-content .section-tag{margin-bottom:12px}
.about-content h2{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;color:#fff}
.about-content h2 strong{color:var(--accent)}
.about-content p{color:var(--text-secondary);margin-bottom:16px;line-height:1.8}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:32px}
.about-stat{text-align:center;padding:16px 8px;background:var(--dark-card);border-radius:var(--radius);border:1px solid var(--border)}
.about-stat strong{display:block;font-size:1.5rem;font-weight:900;color:#fff}
.about-stat .accent{color:var(--accent)}
.about-stat span{font-size:.75rem;color:var(--text-muted)}
.about-visual{display:flex;justify-content:center}
.about-phone{position:relative}
.about-phone img{width:300px;filter:drop-shadow(0 16px 48px rgba(91,95,237,.2));border-radius:var(--radius-xl)}

/* ===== Download CTA ===== */
.download-cta{padding:80px 0;background:var(--bg-alt)}
.cta-card{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:var(--radius-xl);padding:64px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;overflow:hidden;position:relative}
.cta-card::before{content:'';position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(110,231,104,.15),transparent 70%);border-radius:50%;pointer-events:none}
.cta-content{position:relative;z-index:1}
.cta-content h2{font-size:2rem;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:-.02em}
.cta-content h2 strong{color:var(--accent)}
.cta-content p{color:rgba(255,255,255,.7);margin-bottom:28px;font-size:1rem}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-visual{display:flex;justify-content:center;position:relative;z-index:1}
.cta-visual img{width:240px;filter:drop-shadow(0 12px 40px rgba(0,0,0,.5));border-radius:var(--radius-lg)}

/* ===== FAQ ===== */
.faq{padding:100px 0;background:var(--bg)}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--dark-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all var(--transition)}
.faq-item[open]{border-color:rgba(91,95,237,.3);box-shadow:var(--glow-primary)}
.faq-item summary{padding:20px 24px;font-size:1rem;font-weight:600;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:space-between;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.4rem;font-weight:300;color:var(--primary-light);transition:transform var(--transition);flex-shrink:0;margin-left:16px}
.faq-item[open] summary::after{content:'−'}
.faq-answer{padding:0 24px 20px}
.faq-answer p{color:var(--text-secondary);font-size:.9rem;line-height:1.8}

/* ===== Footer ===== */
.site-footer{background:var(--dark-surface);color:var(--text-secondary);padding:64px 0 0;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--border)}
.footer-logo{font-size:1.5rem;font-weight:900;color:#fff;display:block;margin-bottom:12px}
.footer-brand p{font-size:.86rem;line-height:1.7;max-width:280px}
.footer-nav h4{font-size:.82rem;font-weight:700;color:var(--text-muted);margin-bottom:16px;text-transform:uppercase;letter-spacing:.06em}
.footer-nav ul{display:flex;flex-direction:column;gap:10px}
.footer-nav a{font-size:.86rem;color:var(--text-secondary);transition:color var(--transition)}
.footer-nav a:hover{color:var(--accent)}
.footer-bottom{padding:24px 0;text-align:center;font-size:.78rem;color:var(--text-muted)}
.footer-bottom a{color:var(--primary-light)}

/* ===== Responsive ===== */
@media(max-width:1100px){
  .hero{padding:120px 0 60px}
  .hero-container{flex-direction:column;align-items:center;text-align:center;gap:0}
  .hero-left{max-width:600px;padding-right:0;display:flex;flex-direction:column;align-items:center}
  .hero-right{max-width:600px;padding-left:0;display:flex;flex-direction:column;align-items:center;order:2}
  .hero-stats{justify-content:center}
  .hero-desc{text-align:center;margin-left:auto;margin-right:auto}
  .hero-dl-label{text-align:center}
  .hero-actions{justify-content:center}
  .hero-center{flex:0 0 auto;width:340px;margin-bottom:-200px;order:3}
  .hero-phone img{max-width:340px}
  .hero h1{font-size:3rem}
  .hero-scroll{display:none}
  .features{padding:180px 0 80px}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .about-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--dark-surface);flex-direction:column;padding:24px;gap:16px;border-bottom:1px solid var(--border);box-shadow:0 8px 32px rgba(0,0,0,.4)}
  .nav-links.open{display:flex}
  .nav-cta{display:none}
  .mobile-toggle{display:flex}
  .hero{padding:100px 0 40px}
  .hero-container{padding:0 20px;gap:0}
  .hero-left{max-width:none}
  .hero-right{max-width:none}
  .hero h1{font-size:2.2rem}
  .hero-badge{margin-bottom:16px}
  .hero-center{width:280px;margin-bottom:-160px}
  .hero-phone img{max-width:280px}
  .hero-stats{gap:32px;margin-bottom:20px}
  .stat-card strong{font-size:2rem}
  .hero-desc{font-size:.9rem;margin-bottom:24px}
  .hero-dl-label{margin-bottom:12px}
  .features{padding:140px 0 64px}
  .steps-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;text-align:center}
  .about-visual{order:-1}
  .about-phone img{width:220px}
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:40px 24px;text-align:center}
  .cta-visual{display:none}
  .cta-actions{justify-content:center}
  .footer-grid{grid-template-columns:1fr;text-align:center;gap:32px}
  .footer-brand p{margin:0 auto}
  .section-header h2{font-size:1.6rem}
  .how-it-works,.about,.faq{padding:64px 0}
  .download-cta{padding:48px 0}
  .btn-download{min-width:auto;width:100%;font-size:.9rem}
}
@media(max-width:480px){
  .hero{padding:88px 0 28px}
  .hero h1{font-size:1.8rem}
  .hero-center{width:220px;margin-bottom:-120px}
  .hero-phone img{max-width:220px}
  .features{padding:100px 0 56px}
  .hero-actions{flex-direction:column;align-items:stretch;width:100%;max-width:300px}
  .btn-store{justify-content:center;width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
  .features-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr}
  .hero-stats{gap:24px}
  .stat-card strong{font-size:1.6rem}
}