:root{
  --blue:#2563EB;--blue-dark:#1D4ED8;--blue-light:#EFF6FF;--blue-mid:#BFDBFE;
  --purple:#7C3AED;--indigo:#4F46E5;
  --text:#0F172A;--text-secondary:#64748B;--text-muted:#94A3B8;
  --border:#E2E8F0;--border-light:#F1F5F9;
  --bg:#F8FAFC;--white:#FFFFFF;
  --green:#10B981;--green-light:#D1FAE5;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow:0 4px 16px rgba(0,0,0,.08),0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:0 20px 60px rgba(37,99,235,.15),0 8px 24px rgba(0,0,0,.08);
  --shadow-blue:0 8px 32px rgba(37,99,235,.3);
  --radius:16px;--radius-sm:10px;--radius-lg:24px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter','Segoe UI',Arial,sans-serif;color:var(--text);background:#fff;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}ul{list-style:none}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem);font-weight:800;line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.5vw,2.5rem);font-weight:700;line-height:1.2;letter-spacing:-.01em}
h3{font-size:1.2rem;font-weight:600;line-height:1.35}
p{color:var(--text-secondary);line-height:1.7}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:50px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:all .2s ease;position:relative;overflow:hidden}
.btn::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,0);transition:background .2s}
.btn:hover::after{background:rgba(255,255,255,.08)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--indigo));color:#fff;box-shadow:var(--shadow-blue)}
.btn-primary:hover{box-shadow:0 12px 40px rgba(37,99,235,.4)}
.btn-outline{background:transparent;color:var(--blue);border:2px solid var(--blue-mid)}.btn-outline:hover{background:var(--blue-light);border-color:var(--blue)}
.btn-white{background:#fff;color:var(--blue);box-shadow:var(--shadow)}.btn-white:hover{box-shadow:var(--shadow-lg)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2)}.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-lg{padding:16px 40px;font-size:1.05rem;gap:10px}
.btn-icon{font-size:1.1em}

/* NAVBAR */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(226,232,240,.6);padding:0 32px}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;color:var(--text)}
.nav-logo-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--blue),var(--purple));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;font-weight:900;box-shadow:0 4px 12px rgba(37,99,235,.35)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links>li>a{font-weight:500;font-size:.9rem;color:var(--text-secondary);padding:8px 14px;border-radius:8px;transition:all .15s}
.nav-links>li>a:hover,.nav-links>li>a.active{color:var(--blue);background:var(--blue-light)}
.nav-cta{margin-left:8px}
.nav-cta.btn{padding:10px 22px;font-size:.9rem}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}.burger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .2s}

/* HERO */
.hero{background:linear-gradient(160deg,#0C1445 0%,#1E3A8A 45%,#2563EB 80%,#7C3AED 100%);color:#fff;padding:100px 32px 90px;text-align:center;overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");pointer-events:none}
.hero-inner{max-width:820px;margin:0 auto;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:50px;padding:6px 18px;font-size:.82rem;font-weight:600;margin-bottom:32px;color:rgba(255,255,255,.9);backdrop-filter:blur(8px)}
.hero-badge-dot{width:6px;height:6px;background:#4ADE80;border-radius:50%;box-shadow:0 0 8px #4ADE80}
.hero h1{color:#fff;margin-bottom:22px;text-shadow:0 2px 20px rgba(0,0,0,.2)}
.hero h1 span{background:linear-gradient(90deg,#93C5FD,#C4B5FD);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:rgba(255,255,255,.75);font-size:1.15rem;max-width:580px;margin:0 auto 40px;line-height:1.75}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:64px}
.hero-stats{display:flex;gap:48px;justify-content:center;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:40px}
.hero-stat{text-align:center}
.hero-stat-num{font-size:1.9rem;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero-stat-label{font-size:.82rem;color:rgba(255,255,255,.55);margin-top:2px}

/* TRUST BAND */
.trust-band{background:linear-gradient(90deg,var(--blue),var(--indigo));color:#fff;padding:20px 32px}
.trust-items{display:flex;gap:40px;justify-content:center;flex-wrap:wrap;align-items:center;max-width:1000px;margin:0 auto}
.trust-item{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem;opacity:.95}

/* SECTIONS */
.section{padding:88px 32px}.section-alt{background:var(--bg)}.container{max-width:1200px;margin:0 auto}
.section-header{text-align:center;margin-bottom:60px}
.section-label{display:inline-block;background:var(--blue-light);color:var(--blue);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;padding:5px 16px;border-radius:50px;margin-bottom:14px;border:1px solid var(--blue-mid)}
.section-header h2{margin-bottom:14px}
.section-header p{font-size:1.05rem;max-width:560px;margin:0 auto}

/* FEATURES GRID */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:all .25s;cursor:default}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:var(--blue-mid)}
.feature-icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--blue-light),var(--blue-mid));display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px;transition:transform .2s}
.feature-card:hover .feature-icon{transform:scale(1.08)}
.feature-card h3{margin-bottom:10px;color:var(--text)}
.os-icon{font-size:2.8rem;margin-bottom:12px}
.version{font-size:.85rem;color:var(--text-muted);margin-bottom:20px}
.req{font-size:.8rem;color:var(--text-muted);margin-top:14px}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;position:relative}
.steps::before{content:'';position:absolute;top:30px;left:calc(16.6%);right:calc(16.6%);height:2px;background:linear-gradient(90deg,var(--blue),var(--purple));opacity:.25;display:none}
.step{text-align:center;padding:0 20px}
.step-num{width:62px;height:62px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--indigo));color:#fff;font-size:1.4rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:var(--shadow-blue)}
.step h3{margin-bottom:8px}

/* REVIEWS */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .2s}
.review-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.stars{color:#F59E0B;font-size:1rem;margin-bottom:14px;letter-spacing:2px}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:18px}
.reviewer-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0}
.reviewer-name{font-weight:600;font-size:.88rem;color:var(--text)}
.reviewer-role{font-size:.78rem;color:var(--text-muted)}

/* CTA */
.cta-section{background:linear-gradient(160deg,#0C1445,#1E3A8A 50%,#2563EB);color:#fff;text-align:center;padding:88px 32px;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-50%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(124,58,237,.25) 0%,transparent 65%);pointer-events:none}
.cta-section::after{content:'';position:absolute;bottom:-40%;right:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(37,99,235,.3) 0%,transparent 65%);pointer-events:none}
.cta-section h2{color:#fff;margin-bottom:16px;position:relative}
.cta-section p{color:rgba(255,255,255,.7);font-size:1.05rem;margin-bottom:36px;position:relative}
.cta-note{font-size:.82rem;color:rgba(255,255,255,.45);margin-top:18px;position:relative}

/* DOWNLOAD */
.download-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;max-width:920px;margin:0 auto}
.download-card{background:#fff;border:2px solid var(--border);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:all .25s;position:relative;overflow:hidden}
.download-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--border);transition:background .25s}
.download-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);border-color:var(--blue-mid)}
.download-card:hover::before{background:linear-gradient(90deg,var(--blue),var(--purple))}
.download-card.popular{border-color:var(--blue)}.download-card.popular::before{background:linear-gradient(90deg,var(--blue),var(--purple))}
.popular-badge{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(90deg,var(--blue),var(--indigo));color:#fff;font-size:.75rem;font-weight:700;padding:4px 14px;border-radius:50px;margin-bottom:16px}
.security-note{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--green-light);border:1px solid #A7F3D0;border-radius:var(--radius-sm);padding:14px 24px;margin-top:32px;max-width:680px;margin-left:auto;margin-right:auto;font-size:.9rem;color:#065F46;font-weight:500}

/* FEATURE ROWS */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;margin-bottom:88px}
.feature-row:last-child{margin-bottom:0}
.feature-row.reverse{direction:rtl}.feature-row.reverse>*{direction:ltr}
.feature-visual{background:linear-gradient(135deg,var(--bg),var(--blue-light));border:1px solid var(--blue-mid);border-radius:var(--radius-lg);padding:48px;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.feature-visual-icon{font-size:4.5rem;margin-bottom:14px;filter:drop-shadow(0 8px 16px rgba(37,99,235,.2))}
.feature-visual-label{font-size:.9rem;color:var(--blue);font-weight:600}
.feature-text h2{margin-bottom:14px}
.feature-text p{margin-bottom:24px;font-size:1rem}
.feature-list{display:flex;flex-direction:column;gap:12px}
.feature-list li{display:flex;align-items:flex-start;gap:12px;color:var(--text);font-size:.95rem}
.feature-list li::before{content:'✓';color:#fff;font-weight:700;flex-shrink:0;margin-top:2px;width:20px;height:20px;background:linear-gradient(135deg,var(--blue),var(--indigo));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem}

/* TEAM */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.team-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:all .2s}
.team-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.team-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:1.7rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 20px rgba(37,99,235,.3)}
.team-card h3{font-size:1rem;margin-bottom:6px}
.team-card p{font-size:.85rem}

/* VALUES */
.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.value-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .2s}
.value-card:hover{box-shadow:var(--shadow);border-color:var(--blue-mid);transform:translateY(-3px)}
.value-icon{font-size:2rem;margin-bottom:14px}
.value-card h3{margin-bottom:8px}

/* CONTACTS */
.contacts-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.form-group{margin-bottom:20px}.form-group label{display:block;font-weight:600;font-size:.88rem;margin-bottom:7px;color:var(--text)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;color:var(--text);background:var(--bg);outline:none;transition:all .15s}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.contact-info{display:flex;flex-direction:column;gap:16px}
.contact-block{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;align-items:flex-start;gap:16px;transition:all .2s}
.contact-block:hover{box-shadow:var(--shadow-sm);border-color:var(--blue-mid)}
.contact-block-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--blue-light),var(--blue-mid));border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.contact-block h4{font-size:.9rem;margin-bottom:4px;color:var(--text)}
.contact-block p{font-size:.84rem}
.contact-block a{color:var(--blue);font-weight:500}

/* LEGAL */
.legal-content{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:52px}
.legal-content h2{margin:36px 0 12px;font-size:1.25rem;padding-top:8px;border-top:1px solid var(--border-light)}
.legal-content h2:first-of-type{border-top:none}
.legal-content h3{margin:22px 0 8px;font-size:1rem;color:var(--text)}
.legal-content p{margin-bottom:12px;color:var(--text);font-size:.95rem}
.legal-content ul{margin:8px 0 14px 20px;list-style:disc}
.legal-content ul li{color:var(--text);margin-bottom:7px;font-size:.95rem}
.legal-content a{color:var(--blue)}
.legal-date{font-size:.85rem;color:var(--text-muted);margin-bottom:24px;padding:10px 16px;background:var(--bg);border-radius:8px;display:inline-block}

/* PAGE HERO */
.page-hero{background:linear-gradient(160deg,#0C1445,#1E3A8A 60%,#2563EB);color:#fff;padding:68px 32px;text-align:center}
.page-hero h1{color:#fff;font-size:clamp(1.7rem,4vw,2.6rem);margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.7);font-size:1rem}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s}
.faq-item.open{box-shadow:var(--shadow-sm);border-color:var(--blue-mid)}
.faq-q{width:100%;background:none;border:none;cursor:pointer;padding:20px 24px;text-align:left;font-family:inherit;font-size:.98rem;font-weight:600;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:12px;transition:color .15s}
.faq-item.open .faq-q{color:var(--blue)}
.faq-q span.arrow{flex-shrink:0;transition:transform .22s;color:var(--text-muted);font-size:.85rem}
.faq-item.open .faq-q span.arrow{transform:rotate(180deg);color:var(--blue)}
.faq-a{display:none;padding:0 24px 20px;color:var(--text-secondary);font-size:.93rem;line-height:1.65}.faq-item.open .faq-a{display:block}

/* FOOTER */
.footer{background:#0C1445;color:rgba(255,255,255,.6);padding:64px 32px 32px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:14px}
.footer-desc{font-size:.88rem;line-height:1.75;margin-bottom:24px}
.footer-col h4{color:#fff;font-size:.8rem;font-weight:700;margin-bottom:18px;text-transform:uppercase;letter-spacing:1.2px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}.footer-col a{font-size:.88rem;transition:color .15s;color:rgba(255,255,255,.55)}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:1200px;margin:0 auto;border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.82rem}
.footer-bottom a{color:rgba(255,255,255,.4);transition:color .15s}.footer-bottom a:hover{color:#fff}

/* RESPONSIVE */
@media(max-width:768px){
  .nav-links{display:none;flex-direction:column;position:absolute;top:70px;left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:20px 24px;gap:4px}
  .nav-links>li>a{padding:12px 16px;display:block}
  .nav-links.open{display:flex}
  .burger{display:flex}
  .hero{padding:72px 20px 60px}
  .hero-stats{gap:28px}
  .section{padding:60px 20px}
  .feature-row{grid-template-columns:1fr;gap:36px}
  .feature-row.reverse{direction:ltr}
  .contacts-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .legal-content{padding:32px 24px}
  .navbar{padding:0 20px}
}
@media(max-width:480px){
  .footer-inner{grid-template-columns:1fr}
  .hero-btns{flex-direction:column;align-items:center}
  .download-cards{grid-template-columns:1fr}
  .steps{gap:32px}
  .hero-stats{gap:20px}
  .hero-stat-num{font-size:1.5rem}
}