*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--black:#000;--white:#fff;--accent:#6B48FF;--accent-hover:#5635d9;--gray-50:#f8f8f8;--gray-100:#f0f0f0;--gray-200:#e0e0e0;--gray-400:#999;--gray-600:#666;--gray-800:#222;--orange:#FF5722;--radius:8px;--shadow:0 2px 12px rgba(0,0,0,.08);--shadow-lg:0 8px 32px rgba(0,0,0,.12);--max-w:1140px;--transition:.25s ease}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--gray-800);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}

/* ─── HEADER ─── */
.site-header{background:var(--black);color:var(--white);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;letter-spacing:-.02em}
.logo svg{width:28px;height:28px}
.nav-list{display:flex;gap:32px}
.nav-list a{font-size:.9rem;font-weight:500;opacity:.75;transition:opacity var(--transition)}
.nav-list a:hover,.nav-list a.active{opacity:1}
.mobile-toggle{display:none;background:none;border:none;color:var(--white);cursor:pointer}

/* ─── HERO ─── */
.hero{background:var(--black);color:var(--white);text-align:center;padding:80px 24px 96px}
.hero h1{font-size:clamp(2rem,5vw,3.25rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;max-width:720px;margin:0 auto 20px}
.hero h1 span{color:var(--accent)}
.hero p{font-size:1.1rem;opacity:.7;max-width:560px;margin:0 auto 40px}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ─── BUTTONS ─── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition)}
.btn-primary{background:var(--accent);color:var(--white)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 24px rgba(107,72,255,.35)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.3)}
.btn-outline:hover{border-color:var(--white)}
.btn-lg{padding:18px 44px;font-size:1.1rem;border-radius:10px}
.btn-download{background:var(--accent);color:var(--white);font-size:1.15rem;padding:20px 52px;border-radius:12px;font-weight:700;box-shadow:0 4px 20px rgba(107,72,255,.3);position:relative;overflow:hidden}
.btn-download:hover{background:var(--accent-hover);transform:translateY(-3px);box-shadow:0 8px 32px rgba(107,72,255,.45)}
.btn-download::after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);transition:.6s}
.btn-download:hover::after{left:100%}

/* ─── SECTIONS ─── */
.section{padding:80px 24px}
.section-dark{background:var(--gray-50)}
.container{max-width:var(--max-w);margin:0 auto}
.section-label{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:8px}
.section-title{font-size:clamp(1.5rem,3.5vw,2.25rem);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.section-sub{color:var(--gray-600);max-width:600px;margin-bottom:48px}
.text-center{text-align:center}
.text-center .section-sub{margin-left:auto;margin-right:auto}

/* ─── DEVICE GRID ─── */
.device-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.device-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:all var(--transition)}
.device-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.device-icon{width:56px;height:56px;margin:0 auto 16px;background:var(--gray-100);border-radius:50%;display:flex;align-items:center;justify-content:center}
.device-icon svg{width:28px;height:28px;fill:var(--accent)}
.device-card h3{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.device-card p{font-size:.88rem;color:var(--gray-600)}

/* ─── FEATURES ─── */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px}
.feature-item{display:flex;gap:16px;align-items:flex-start}
.feature-icon{flex-shrink:0;width:44px;height:44px;border-radius:10px;background:rgba(107,72,255,.08);display:flex;align-items:center;justify-content:center}
.feature-icon svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feature-item h3{font-size:.95rem;font-weight:700;margin-bottom:4px}
.feature-item p{font-size:.88rem;color:var(--gray-600)}

/* ─── DOWNLOAD CTA ─── */
.download-cta{background:var(--black);color:var(--white);border-radius:16px;padding:64px 40px;text-align:center}
.download-cta h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:800;margin-bottom:12px}
.download-cta p{opacity:.65;margin-bottom:32px;max-width:520px;margin-left:auto;margin-right:auto}
.download-sub{font-size:.82rem;opacity:.45;margin-top:16px}

/* ─── STEPS ─── */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;counter-reset:step}
.step{position:relative;padding:32px 24px;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);counter-increment:step}
.step::before{content:counter(step);font-size:2rem;font-weight:800;color:var(--accent);opacity:.25;position:absolute;top:16px;right:20px}
.step h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.step p{font-size:.88rem;color:var(--gray-600)}

/* ─── COMPARISON TABLE ─── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:600px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--gray-200);font-size:.9rem}
th{background:var(--black);color:var(--white);font-weight:600}
th:first-child{border-radius:var(--radius) 0 0 0}
th:last-child{border-radius:0 var(--radius) 0 0}
tr:last-child td{border-bottom:none}
td:first-child{font-weight:600}
.check{color:#22c55e;font-weight:700}
.cross{color:var(--gray-400)}

/* ─── FAQ ─── */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--gray-200);padding:24px 0}
.faq-item:first-child{border-top:1px solid var(--gray-200)}
.faq-item h3{font-size:1rem;font-weight:700;margin-bottom:10px;cursor:default}
.faq-item p{font-size:.92rem;color:var(--gray-600);line-height:1.7}

/* ─── ABOUT ─── */
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:48px;align-items:start}
.about-text h2{font-size:1.6rem;font-weight:800;margin-bottom:16px}
.about-text p{color:var(--gray-600);margin-bottom:16px;line-height:1.75}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.stat-box{background:var(--gray-50);border-radius:var(--radius);padding:28px 20px;text-align:center}
.stat-box .num{font-size:2rem;font-weight:800;color:var(--accent)}
.stat-box .label{font-size:.82rem;color:var(--gray-600);margin-top:4px}
.timeline{margin-top:48px}
.timeline h3{font-size:1.2rem;font-weight:700;margin-bottom:24px}
.tl-item{display:flex;gap:20px;margin-bottom:24px}
.tl-dot{flex-shrink:0;width:12px;height:12px;border-radius:50%;background:var(--accent);margin-top:6px}
.tl-content h4{font-size:.95rem;font-weight:700;margin-bottom:2px}
.tl-content p{font-size:.88rem;color:var(--gray-600)}

/* ─── FOOTER ─── */
.site-footer{background:var(--black);color:var(--white);padding:56px 24px 32px}
.footer-inner{max-width:var(--max-w);margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:.88rem;opacity:.5;margin-top:12px;max-width:320px;line-height:1.6}
.footer-col h4{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;opacity:.4}
.footer-col a{display:block;font-size:.9rem;opacity:.6;margin-bottom:10px;transition:opacity var(--transition)}
.footer-col a:hover{opacity:1}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:.82rem;opacity:.4}

/* ─── BREADCRUMB ─── */
.breadcrumb{padding:16px 24px;font-size:.82rem;color:var(--gray-400)}
.breadcrumb .container{display:flex;gap:6px}
.breadcrumb a{color:var(--gray-600)}
.breadcrumb span{color:var(--gray-400)}

/* ─── PAGE HERO (inner pages) ─── */
.page-hero{background:var(--black);color:var(--white);padding:56px 24px 64px;text-align:center}
.page-hero h1{font-size:clamp(1.6rem,4vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.page-hero p{opacity:.6;max-width:520px;margin:0 auto}

/* ─── RESPONSIVE ─── */
@media(max-width:768px){
  .header-inner{height:56px}
  .nav-list{position:fixed;top:56px;left:0;right:0;background:var(--black);flex-direction:column;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease}
  .nav-list.open{max-height:300px}
  .nav-list a{display:block;padding:16px 24px;border-top:1px solid rgba(255,255,255,.06)}
  .mobile-toggle{display:block}
  .hero{padding:56px 24px 72px}
  .section{padding:56px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .download-cta{padding:48px 24px;border-radius:12px}
  .stat-grid{grid-template-columns:1fr}
  .about-grid{gap:32px}
}