@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0f;--surface:#12121a;--surface2:#1a1a2e;--border:#2a2a3e;
  --text:#f0f0f5;--text-dim:#a0a0b8;--text-muted:#6b6b80;
  --primary:#6366f1;--primary-glow:rgba(99,102,241,.25);
  --accent:#f59e0b;--accent-glow:rgba(245,158,11,.2);
  --success:#22c55e;--danger:#ef4444;
  --gradient:linear-gradient(135deg,#6366f1,#8b5cf6,#a855f7);
  --gradient-accent:linear-gradient(135deg,#f59e0b,#f97316);
  --radius:16px;--radius-sm:10px;--radius-full:999px;
}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:var(--primary);text-decoration:none}

/* HEADER */
.header{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;backdrop-filter:blur(20px);background:rgba(10,10,15,.8);border-bottom:1px solid var(--border);transition:.3s}
.header .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:28px;font-weight:900;letter-spacing:-1px}
.logo span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* LANG SWITCHER */
.lang-switcher{display:flex;gap:6px;background:var(--surface);padding:4px;border-radius:var(--radius-full);border:1px solid var(--border)}
.lang-btn{padding:8px 14px;border:none;background:transparent;color:var(--text-dim);font-size:13px;font-weight:600;border-radius:var(--radius-full);cursor:pointer;transition:.3s;font-family:inherit;display:flex;align-items:center;gap:6px}
.lang-btn.active{background:var(--gradient);color:#fff;box-shadow:0 4px 15px var(--primary-glow)}
.lang-btn:hover:not(.active){color:var(--text);background:var(--surface2)}

/* HERO */
.hero{padding:140px 0 80px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%,var(--primary-glow) 0%,transparent 50%);animation:pulse 8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:.6;transform:scale(1.1)}}
.hero-content{position:relative;z-index:1}
.hero h1{font-size:clamp(36px,6vw,64px);font-weight:900;line-height:1.1;margin-bottom:20px}
.hero h1 .gradient{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(16px,2.5vw,20px);color:var(--text-dim);max-width:600px;margin:0 auto 32px}
.hero-stats{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:40px}
.stat{text-align:center}
.stat-val{font-size:32px;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-full);font-weight:700;font-size:15px;border:none;cursor:pointer;transition:.3s;font-family:inherit;text-decoration:none}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 20px var(--primary-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--primary-glow)}
.btn-outline{background:transparent;color:var(--text);border:2px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-whatsapp{background:#25D366;color:#fff;box-shadow:0 4px 20px rgba(37,211,102,.3)}
.btn-whatsapp:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(37,211,102,.4)}
.btn-group{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* FEATURES */
.features{padding:80px 0}
.section-title{text-align:center;font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:12px}
.section-sub{text-align:center;color:var(--text-dim);margin-bottom:48px;font-size:16px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:.3s;position:relative;overflow:hidden}
.feature-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 12px 40px var(--primary-glow)}
.feature-icon{font-size:36px;margin-bottom:16px}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.feature-card p{color:var(--text-dim);font-size:14px;line-height:1.6}

/* PRICING */
.pricing{padding:80px 0;background:var(--surface)}
.pricing-toggle{display:flex;justify-content:center;gap:8px;margin-bottom:40px;background:var(--bg);padding:4px;border-radius:var(--radius-full);width:fit-content;margin-left:auto;margin-right:auto}
.toggle-btn{padding:10px 24px;border:none;background:transparent;color:var(--text-dim);font-weight:600;border-radius:var(--radius-full);cursor:pointer;transition:.3s;font-family:inherit;font-size:14px}
.toggle-btn.active{background:var(--gradient);color:#fff}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1100px;margin:0 auto}
.price-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:.3s;position:relative}
.price-card.popular{border:2px solid var(--primary);box-shadow:0 0 40px var(--primary-glow)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#fff;padding:6px 16px;border-radius:var(--radius-full);font-size:12px;font-weight:700;white-space:nowrap}
.price-card h3{font-size:20px;font-weight:700;margin-bottom:8px;margin-top:8px}
.price-amount{font-size:42px;font-weight:900;margin:12px 0 4px}
.price-amount .currency{font-size:22px;vertical-align:super}
.price-period{color:var(--text-muted);font-size:14px;margin-bottom:20px}
.price-features{list-style:none;text-align:left;margin-bottom:24px}
.price-features li{padding:8px 0;font-size:14px;color:var(--text-dim);display:flex;align-items:center;gap:8px}
.price-features li::before{content:'✓';color:var(--success);font-weight:700}
.price-card .btn{width:100%}

/* DEVICES */
.devices{padding:80px 0}
.devices-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;max-width:800px;margin:0 auto}
.device-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:24px;text-align:center;transition:.3s}
.device-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.device-icon{font-size:32px;margin-bottom:8px}
.device-card span{font-size:13px;font-weight:600;color:var(--text-dim)}

/* FAQ */
.faq{padding:80px 0;background:var(--surface)}
.faq-list{max-width:700px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);overflow:hidden}
.faq-q{padding:20px 0;font-weight:700;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--text)}
.faq-q::after{content:'+';font-size:24px;color:var(--primary);transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.4s;color:var(--text-dim);font-size:14px;line-height:1.7}
.faq-item.open .faq-a{max-height:300px;padding-bottom:20px}

/* CTA */
.cta{padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;inset:0;background:var(--gradient);opacity:.08}
.cta-content{position:relative;z-index:1}
.cta h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:16px}
.cta p{color:var(--text-dim);margin-bottom:32px;font-size:18px}

/* FOOTER */
.footer{padding:40px 0;border-top:1px solid var(--border);text-align:center}
.footer p{color:var(--text-muted);font-size:13px}
.footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:16px;flex-wrap:wrap}
.footer-links a{color:var(--text-dim);font-size:13px;transition:.3s}
.footer-links a:hover{color:var(--primary)}

/* WHATSAPP FLOAT */
.wa-float{position:fixed;bottom:24px;right:24px;width:60px;height:60px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);transition:.3s;z-index:99;color:#fff}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:32px;height:32px}

/* HIDDEN LANG */
[data-lang]{display:none}
[data-lang].active{display:block}

/* RESPONSIVE */
@media(max-width:768px){
  .header{padding:12px 0;background:rgba(10,10,15,0.95)}
  .header .container{flex-direction:column;gap:12px}
  .logo{font-size:26px}
  .lang-switcher{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%;background:transparent;border:none;padding:0}
  .lang-btn{padding:8px;font-size:12px;justify-content:center;background:var(--surface);border:1px solid var(--border)}
  .lang-btn.active{background:var(--gradient);border-color:transparent}
  .hero{padding:240px 0 60px}
  .hero h1{font-size:32px;line-height:1.2}
  .hero-sub{font-size:15px}
  .hero-stats{gap:20px}
  .pricing-grid{grid-template-columns:1fr;max-width:400px}
  .features-grid{grid-template-columns:1fr}
  .btn-group{flex-direction:column;width:100%}
  .btn{width:100%;justify-content:center}
}