:root {
  --brand-primary: #1a4f8a;
  --brand-accent: #0e7c4a;
  --brand-light: #eef4fb;
  --brand-dark: #0d2744;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-light: #94a3b8;
  --bg-white: #ffffff;
  --bg-gray: #f8fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --font-main: 'Inter',system-ui,-apple-system,sans-serif;
  --max-w: 1200px;
  --transition: .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-main);color:var(--text-primary);line-height:1.7;font-size:16px;background:var(--bg-white);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--brand-accent)}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* ── Header ── */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow var(--transition)}
.site-header.scrolled{box-shadow:var(--shadow-lg)}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--max-w);margin:0 auto;padding:0 24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--text-primary)}
.logo img{width:36px;height:36px;border-radius:8px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav>li{position:relative}
.main-nav>li>a{display:flex;align-items:center;gap:4px;padding:8px 13px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;color:var(--text-primary);transition:background var(--transition),color var(--transition)}
.main-nav>li>a:hover{background:var(--brand-light);color:var(--brand-primary)}
.nav-arrow{font-size:.7em;transition:transform var(--transition)}
.main-nav>li:hover .nav-arrow{transform:rotate(180deg)}
.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:560px;padding:24px;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--transition),visibility var(--transition)}
.main-nav>li:hover .mega-menu{opacity:1;visibility:visible;pointer-events:auto}
.mega-menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mega-menu-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-light);margin-bottom:10px}
.mega-menu-col a{display:block;padding:7px 11px;border-radius:var(--radius-sm);font-size:.88rem;color:var(--text-primary)}
.mega-menu-col a:hover{background:var(--brand-light);color:var(--brand-primary)}
.header-cta{display:inline-flex;align-items:center;padding:10px 22px;background:var(--brand-primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:background var(--transition)}
.header-cta:hover{background:var(--brand-dark);color:#fff}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}
.mobile-nav{display:none;position:fixed;top:72px;left:0;width:100%;height:calc(100vh - 72px);background:var(--bg-white);z-index:999;overflow-y:auto;padding:24px}
.mobile-nav.active{display:block}
.mobile-nav a{display:block;padding:13px 0;font-size:1rem;color:var(--text-primary);border-bottom:1px solid var(--border)}
.mobile-nav a:hover{color:var(--brand-primary)}
.mobile-nav-section{margin-bottom:14px}
.mobile-nav-section h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-light);margin-bottom:4px}

/* ── Hero ── */
.hero{padding:140px 0 80px;background:linear-gradient(135deg,var(--brand-light) 0%,#fff 55%,#f0f7ff 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero h1{font-size:2.9rem;font-weight:800;line-height:1.15;margin-bottom:20px;color:var(--text-primary)}
.hero h1 span{color:var(--brand-primary)}
.hero p{font-size:1.1rem;color:var(--text-secondary);margin-bottom:12px;line-height:1.7}
.hero-buttons{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-img img{width:100%}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-size:.97rem;font-weight:600;cursor:pointer;transition:all var(--transition);border:2px solid transparent}
.btn-primary{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary)}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn-white{background:#fff;color:var(--brand-primary);border-color:var(--border)}
.btn-white:hover{border-color:var(--brand-primary)}
.btn-outline{background:transparent;color:var(--brand-primary);border-color:var(--brand-primary)}
.btn-outline:hover{background:var(--brand-primary);color:#fff}
.btn-accent{background:var(--brand-accent);color:#fff;border-color:var(--brand-accent)}
.btn-accent:hover{background:#0a6039;border-color:#0a6039;color:#fff}

/* ── Sections ── */
.section{padding:80px 0}
.section-light{background:var(--bg-gray)}
.section-accent{background:var(--brand-light)}
.section-dark{background:var(--brand-dark);color:#fff}
.section-dark .text-secondary{color:#cbd5e1}
.brand-banner{background:var(--brand-primary);color:#fff}
.section-header{text-align:center;max-width:680px;margin:0 auto 48px}
.section-header h2{font-size:2.2rem;font-weight:700;margin-bottom:14px}
.section-header p{font-size:1.05rem;color:var(--text-secondary)}
.section-dark .section-header p{color:#cbd5e1}

/* ── Cards ── */
.card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:transform var(--transition),box-shadow var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.card p{color:var(--text-secondary);font-size:.93rem}
.card-dark{background:var(--brand-dark);border-color:rgba(255,255,255,.08);color:#fff}
.card-dark p{color:#cbd5e1}
.card-dark:hover{border-color:var(--brand-primary)}
.card-icon{width:50px;height:50px;border-radius:12px;background:var(--brand-light);color:var(--brand-primary);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px}
.card-dark .card-icon{background:rgba(26,79,138,.25)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* ── Stats ── */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item h3{font-size:2.4rem;font-weight:800;color:#fff;margin-bottom:6px}
.stat-item p{font-size:.93rem;opacity:.85}

/* ── Feature blocks ── */
.feature-block{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:48px 0}
.feature-block:nth-child(even) .feature-media{order:-1}
.feature-media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.feature-content h3{font-size:1.55rem;font-weight:700;margin-bottom:14px}
.feature-content p{color:var(--text-secondary);margin-bottom:14px}

/* ── Trust logos ── */
.trust-logos{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;padding:36px 0}
.trust-logos img{height:44px;opacity:.5;filter:grayscale(1);transition:all var(--transition)}
.trust-logos img:hover{opacity:1;filter:grayscale(0)}

/* ── Tables ── */
.comparison-table{width:100%;border-collapse:collapse;margin:24px 0}
.comparison-table th{background:var(--brand-primary);color:#fff;padding:13px 18px;text-align:left;font-weight:600;font-size:.92rem}
.comparison-table td{padding:11px 18px;border-bottom:1px solid var(--border);font-size:.92rem}
.comparison-table tr:nth-child(even) td{background:var(--bg-gray)}
.comparison-table tr:hover td{background:var(--brand-light)}
.data-table{width:100%;border-collapse:collapse;margin:24px 0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}
.data-table th{background:var(--brand-primary);color:#fff;padding:13px 18px;text-align:left;font-weight:600;font-size:.88rem}
.data-table td{padding:11px 18px;border-bottom:1px solid var(--border);font-size:.88rem}
.data-table tr:nth-child(even) td{background:var(--bg-gray)}

/* ── AI chunk ── */
.ai-chunk{border-left:4px solid var(--brand-primary);background:var(--brand-light);padding:22px 26px;margin:26px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.ai-chunk h3{font-size:.95rem;font-weight:700;color:var(--brand-primary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.04em}
.ai-chunk p{font-size:.93rem;color:var(--text-primary);line-height:1.7}

/* ── FAQ ── */
.accordion-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;overflow:hidden}
.accordion-item summary{padding:16px 22px;font-weight:600;font-size:.97rem;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;transition:background var(--transition)}
.accordion-item summary::-webkit-details-marker{display:none}
.accordion-item summary::after{content:'+';font-size:1.3rem;color:var(--brand-primary);font-weight:700}
.accordion-item[open] summary::after{content:'\2212'}
.accordion-item[open] summary{background:var(--brand-light)}
.accordion-item .accordion-body{padding:0 22px 18px;color:var(--text-secondary);line-height:1.7}

/* ── Breadcrumbs ── */
.breadcrumbs{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:.875rem;color:var(--text-light)}
.breadcrumbs a{color:var(--text-secondary)}
.breadcrumbs a:hover{color:var(--brand-primary)}

/* ── CTA block ── */
.cta-block{background:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-dark) 100%);color:#fff;text-align:center;padding:64px 24px;border-radius:var(--radius);max-width:var(--max-w);margin:0 auto}
.cta-block h2{font-size:1.95rem;font-weight:700;margin-bottom:14px}
.cta-block p{font-size:1.03rem;opacity:.9;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-block .btn-white{color:var(--brand-primary)}

/* ── Testimonials ── */
.testimonial-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:30px;position:relative}
.testimonial-card::before{content:'\201C';font-size:4rem;color:var(--brand-light);position:absolute;top:10px;left:18px;font-family:Georgia,serif;line-height:1}
.testimonial-card p{font-size:.93rem;color:var(--text-secondary);margin-bottom:16px;position:relative;z-index:1}
.testimonial-author strong{font-size:.88rem;color:var(--text-primary);display:block}
.testimonial-author span{font-size:.8rem;color:var(--text-light)}

/* ── HowTo ── */
.howto-steps{counter-reset:step}
.howto-step{display:flex;gap:20px;margin-bottom:26px;align-items:flex-start}
.howto-step::before{counter-increment:step;content:counter(step);min-width:42px;height:42px;border-radius:50%;background:var(--brand-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.05rem}
.howto-step-content h3{font-size:1.05rem;font-weight:700;margin-bottom:5px}
.howto-step-content p{color:var(--text-secondary);font-size:.93rem}

/* ── Related grid ── */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{display:block;padding:18px;border:1px solid var(--border);border-radius:var(--radius-sm);transition:all var(--transition)}
.related-card:hover{border-color:var(--brand-primary);background:var(--brand-light)}
.related-card h4{font-size:.92rem;font-weight:600;color:var(--text-primary);margin-bottom:4px}
.related-card p{font-size:.83rem;color:var(--text-secondary)}

/* ── Prose ── */
.prose h2{font-size:1.7rem;font-weight:700;margin:38px 0 14px}
.prose h3{font-size:1.25rem;font-weight:700;margin:30px 0 10px}
.prose p{margin-bottom:14px;color:var(--text-secondary)}
.prose ul{list-style:disc;padding-left:22px;margin:14px 0}
.prose li{margin-bottom:7px;color:var(--text-secondary)}
.prose strong{color:var(--text-primary)}

/* ── Page header ── */
.page-header{padding:118px 0 46px;background:linear-gradient(135deg,var(--brand-light) 0%,#fff 100%)}
.page-header h1{font-size:2.4rem;font-weight:800;margin-bottom:12px}
.page-header p{font-size:1.08rem;color:var(--text-secondary);max-width:640px}

/* ── Footer ── */
.site-footer{background:var(--brand-dark);color:#cbd5e1;padding:52px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand p{font-size:.88rem;line-height:1.7;margin-top:11px}
.site-footer h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
.site-footer ul li{margin-bottom:7px}
.site-footer ul a{color:#94a3b8;font-size:.88rem;transition:color var(--transition)}
.site-footer ul a:hover{color:var(--brand-primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px}
.footer-bottom p{font-size:.83rem;color:#64748b}
.footer-badges{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.footer-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);font-size:.73rem;color:#94a3b8}

/* ── Perf / A11y ── */
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
*:focus-visible{outline:2px solid var(--brand-primary);outline-offset:2px}
@media print{.site-header,.site-footer,.mobile-nav,.cta-block{display:none}body{font-size:12pt;color:#000}a{color:#000;text-decoration:underline}}

/* ── Responsive ── */
@media(max-width:1024px){.hero-grid,.feature-block{grid-template-columns:1fr;gap:32px}.feature-block:nth-child(even) .feature-media{order:0}.hero h1{font-size:2.3rem}.grid-4{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.main-nav,.header-cta{display:none}.hamburger{display:flex}.hero{padding:108px 0 56px}.hero h1{font-size:1.95rem}.section{padding:52px 0}.section-header h2{font-size:1.7rem}.grid-2,.grid-3,.related-grid{grid-template-columns:1fr}.page-header{padding:96px 0 34px}.page-header h1{font-size:1.75rem}}
@media(max-width:480px){.hero h1{font-size:1.6rem}.hero-buttons{flex-direction:column}.btn{width:100%;justify-content:center}.stats-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.trust-logos{gap:18px}.trust-logos img{height:30px}}