*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:'Inter',Arial,sans-serif;background:#f8fafc;color:#0f172a}a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid #e5e7eb}
.nav-wrap{min-height:78px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.logo{font-size:30px;font-weight:800;letter-spacing:-1px}
.desktop-nav{display:flex;gap:28px}.desktop-nav a{font-size:15px;font-weight:600;color:#0f172a}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:14px;font-weight:700;transition:.2s ease}
.btn-primary{background:#2563eb;color:#fff}.btn-outline{border:1px solid #dbe2ea;color:#0f172a;background:#fff}.btn-outline-dark{border:1px solid rgba(15,23,42,.16);color:#0f172a;background:transparent}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:0}.menu-toggle span{display:block;width:24px;height:2px;background:#0f172a;margin:5px 0}
.mobile-menu{display:none;border-top:1px solid #e5e7eb;background:#fff}.mobile-menu.open{display:block}.mobile-menu-inner{padding:18px 20px;display:grid;gap:12px}.mobile-menu .full{width:100%}
.hero{padding:82px 0;background:linear-gradient(135deg,#eff6ff 0%,#ffffff 55%,#eef2ff 100%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:#dbeafe;color:#1d4ed8;font-size:12px;font-weight:800;letter-spacing:.04em}
.hero h1{font-size:56px;line-height:1.04;letter-spacing:-.03em;margin:16px 0 16px}
.hero p{font-size:18px;line-height:1.8;color:#475569;max-width:720px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.score-note{margin-top:22px;padding:16px 18px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:16px;color:#1e3a8a}
.hero-card .stack-card{background:#0f172a;color:#fff;border-radius:28px;padding:28px;box-shadow:0 24px 80px rgba(15,23,42,.18)}
.stack-badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:#1e3a8a;color:#bfdbfe;font-size:12px;font-weight:800}
.stack-card h3{font-size:28px;margin:18px 0 12px}.stack-card ul{padding-left:18px;color:#cbd5e1;line-height:1.9;margin:0}
.section{padding:92px 0}.section.alt{background:#fff}
.section-head{text-align:center;max-width:760px;margin:0 auto 42px}.section-head h2{font-size:42px;line-height:1.15;letter-spacing:-.02em;margin:14px 0}.section-head p{margin:0;color:#64748b;font-size:17px;line-height:1.8}
.cards.four{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.card,.price-card,.feature-item{background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:26px}
.icon{width:54px;height:54px;border-radius:16px;background:#eff6ff;color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;margin-bottom:16px}
.card h3{margin:0 0 10px;font-size:21px}.card p{margin:0;color:#64748b;line-height:1.8}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.feature-item h3{margin:0 0 10px;font-size:22px}.feature-item p{margin:0;color:#64748b;line-height:1.8}
.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.price-card{position:relative}
.price-card.featured{border-color:#2563eb;box-shadow:0 16px 40px rgba(37,99,235,.12)}
.recommended-card::before{content:"";position:absolute;inset:-2px;border:2px solid #2563eb;border-radius:26px;pointer-events:none}
.price-tag{display:inline-flex;padding:8px 12px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:800}
.price-card h3{font-size:22px;margin:14px 0 10px}.price{font-size:34px;font-weight:800;margin-bottom:18px}
.price-card ul{padding-left:18px;color:#475569;line-height:1.9;min-height:170px;margin:0 0 18px}.price-card .full{width:100%}
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}.faq-list details{background:#fff;border:1px solid #e5e7eb;border-radius:20px;padding:18px 20px}
.faq-list summary{cursor:pointer;font-weight:700}.faq-list p{margin:14px 0 0;color:#64748b;line-height:1.8}
.contact-wrap{background:#0f172a;color:#fff;border-radius:28px;padding:32px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.contact-wrap h2{font-size:36px;margin:0 0 12px}.contact-wrap p{margin:0;color:#cbd5e1}.contact-actions{display:flex;gap:14px;flex-wrap:wrap}
.site-footer{background:#020617;color:#cbd5e1;padding:64px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
.site-footer h4{margin:0 0 14px;color:#fff}.site-footer p,.site-footer a{color:#cbd5e1;line-height:1.9;display:block}.footer-logo{margin-bottom:14px}.footer-bottom{padding-top:22px;margin-top:26px;border-top:1px solid rgba(255,255,255,.08);font-size:14px}
@media (max-width:1080px){.hero h1{font-size:46px}.cards.four,.pricing-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.desktop-nav,.desktop-only{display:none}.menu-toggle{display:block}.hero-grid,.feature-list,.contact-wrap,.footer-grid,.cards.four,.pricing-grid{grid-template-columns:1fr}.hero{padding:62px 0}.hero h1{font-size:38px}.section{padding:72px 0}.section-head h2{font-size:32px}.contact-wrap h2{font-size:30px}}