*{margin:0;padding:0;box-sizing:border-box}
:root{--blue:#3a76f0;--blue-dark:#2c5fd0;--blue-light:#5b8ff9;--bg:#fff;--bg2:#f6f7f9;--text:#1b1b1b;--muted:#5e5e5e;--border:#e4e6eb;--radius:12px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:999px;font-size:16px;font-weight:600;border:none;cursor:pointer;transition:all .2s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(58,118,240,.35)}
.btn-outline{background:#fff;border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.3s}
.nav.scrolled{border-bottom-color:var(--border);box-shadow:0 1px 12px rgba(0,0,0,.04)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo img{height:32px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:15px;color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--blue)}
.lang-select{padding:6px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;background:#fff;color:var(--text);cursor:pointer}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{width:22px;height:2px;background:var(--text)}
.hero{padding:120px 0 80px;background:linear-gradient(180deg,#d6e4ff 0%,#eef3ff 45%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:52px;font-weight:800;line-height:1.15;margin-bottom:18px;letter-spacing:-.02em}
.hero-desc{font-size:18px;color:var(--muted);margin-bottom:28px;max-width:440px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{border-radius:16px;box-shadow:0 20px 60px rgba(58,118,240,.2)}
.section{padding:80px 0}
.section.bg{background:var(--bg2)}
.section-title{text-align:center;max-width:640px;margin:0 auto 48px}
.section-title h2{font-size:36px;font-weight:800;margin-bottom:12px;letter-spacing:-.02em}
.section-title p{font-size:17px;color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:.25s}
.feature:hover{box-shadow:0 8px 28px rgba(0,0,0,.06);border-color:#c5d4f7}
.feature-icon{width:48px;height:48px;background:#eef3ff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;color:var(--blue)}
.feature h3{font-size:18px;font-weight:700;margin-bottom:8px}
.feature p{font-size:15px;color:var(--muted);line-height:1.6}
.privacy-banner{background:var(--blue);color:#fff;border-radius:20px;padding:56px 48px;text-align:center}
.privacy-banner h2{font-size:32px;font-weight:800;margin-bottom:14px}
.privacy-banner p{font-size:17px;opacity:.92;max-width:560px;margin:0 auto 24px}
.platforms{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:40px}
.platform{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px 28px;text-align:center;min-width:140px;transition:.2s}
.platform:hover{border-color:var(--blue);box-shadow:0 4px 16px rgba(58,118,240,.12)}
.platform-icon{font-size:28px;margin-bottom:8px}
.platform span{font-size:14px;font-weight:600}
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:10px;margin-bottom:12px;overflow:hidden;background:#fff}
.faq-q{padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:"+";font-size:20px;color:var(--blue);font-weight:400}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s}
.faq-item.open .faq-a{max-height:200px}
.faq-a p{padding:0 22px 18px;font-size:15px;color:var(--muted)}
.cta{text-align:center;padding:80px 0}
.cta h2{font-size:36px;font-weight:800;margin-bottom:12px}
.cta p{font-size:17px;color:var(--muted);margin-bottom:28px}
.footer{background:#1b1b1b;color:#aaa;padding:48px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand img{height:28px;margin-bottom:12px;filter:brightness(10)}
.footer-brand p{font-size:13px;max-width:260px;line-height:1.5}
.footer h4{color:#fff;font-size:13px;margin-bottom:12px}
.footer a{display:block;font-size:13px;margin-bottom:8px;color:#999}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #333;padding-top:20px;text-align:center;font-size:12px;color:#666}
@media(max-width:900px){
.hero-grid{grid-template-columns:1fr;text-align:center}
.hero-desc{margin-left:auto;margin-right:auto}
.hero-btns{justify-content:center}
.hero h1{font-size:40px}
.features{grid-template-columns:1fr}
.nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--border);gap:14px}
.nav-links.open{display:flex}
.hamburger{display:flex}
.footer-grid{grid-template-columns:1fr 1fr}
.privacy-banner{padding:40px 24px}
}
@media(max-width:600px){
.hero h1{font-size:32px}
.section-title h2{font-size:28px}
.footer-grid{grid-template-columns:1fr}
}