:root{
  --bg: #f6f8fb;
  --surface: #ffffff;
  --muted: #6b7280;
  --text: #0b1220;
  --accent: #2563eb;
  --radius: 14px;
  --shadow-1: 0 6px 20px rgba(16,24,40,0.06);
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.wrap{max-width:1150px;margin:0 auto;padding:0 20px}

.site-header{position:sticky;top:0;background:rgba(255,255,255,0.85);backdrop-filter:blur(6px);border-bottom:1px solid rgba(15,23,36,0.04);z-index:60}
.site-header .wrap{display:flex;align-items:center;gap:18px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand-text{font-weight:700;font-size:18px}
.brand-dot{color:var(--accent)}
.menu-toggle{display:none}

/* nav */
.main-nav{margin-left:6px;flex:1}
.main-nav ul{list-style:none;display:flex;gap:20px;align-items:center;margin:0;padding:0}
.main-nav a{text-decoration:none;color:var(--muted);font-weight:600;padding:8px 10px;border-radius:8px}
.main-nav a:hover{color:var(--text);background:rgba(37,99,235,0.06)}

.header-cta{display:flex;gap:10px;align-items:center}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:700;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(37,99,235,0.12)}
.btn-outline{background:#fff;border:1px solid rgba(15,23,36,0.06);color:var(--text)}
.btn-ghost{background:transparent;border:0;color:var(--muted)}

.menu-toggle{display:none}
.hamburger{display:none;cursor:pointer;padding:10px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;border-radius:2px}

.hero{padding:64px 0}
.hero-grid{display:grid;grid-template-columns:1fr 460px;gap:36px;align-items:center}
.hero-copy h1{font-size:40px;line-height:1.04;margin:0 0 16px}
.lead{color:var(--muted);margin:0 0 20px}
.hero-actions{display:flex;gap:12px;margin-bottom:22px}
.key-stats{display:flex;gap:12px;list-style:none;padding:0;margin:0}
.key-stats li{background:var(--surface);padding:10px 12px;border-radius:10px;text-align:left;box-shadow:var(--shadow-1)}
.key-stats strong{display:block;font-size:16px}

.hero-visual .device{background:linear-gradient(180deg,#fff,#f3f7ff);padding:18px;border-radius:20px;box-shadow:var(--shadow-1)}
.hero-visual img{display:block;width:100%;height:auto;border-radius:10px;object-fit:cover}

.section{padding:56px 0}
.section-head{text-align:center;margin-bottom:24px}
.section-head .muted{color:var(--muted)}

.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

.card{background:var(--surface);padding:18px;border-radius:12px;box-shadow:var(--shadow-1)}
.feature .icon{font-size:24px;margin-bottom:8px}
.feature h3{margin:8px 0}

.how-grid{display:grid;grid-template-columns:520px 1fr;gap:36px;align-items:center}
.how-media img{width:100%;border-radius:12px}
.steps{list-style:none;padding:0;margin:20px 0 0}
.steps li{display:flex;flex-direction:column;padding:10px 0}
.steps li strong{display:block}

.pricing .plan{display:flex;flex-direction:column;gap:12px;align-items:center;text-align:center}
.price{font-size:30px;font-weight:700}
.plan.featured{transform:translateY(-8px);border:2px solid rgba(37,99,235,0.08);position:relative}
.plan .ribbon{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;padding:6px 12px;border-radius:999px;font-weight:700;font-size:13px}

.post img{width:100%;height:180px;object-fit:cover;border-radius:10px 10px 0 0}
.post .post-body{padding:12px}

.cta{background:linear-gradient(90deg,#111827,#1f2937);color:#fff;padding:36px;border-radius:12px}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:20px}

.site-footer{padding:36px 0}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-links a{color:var(--muted);text-decoration:none;margin-right:12px}

@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .how-grid{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr 360px}
}
@media (max-width:820px){
  .grid-3{grid-template-columns:1fr 1fr}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .cta-grid{flex-direction:column;align-items:flex-start}
}

@media (max-width:720px){
  .main-nav{position:fixed;inset:70px 0 0 0;background:linear-gradient(180deg,rgba(255,255,255,0.98),#fff);padding:24px;transform:translateY(-10px);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease}
  .main-nav ul{flex-direction:column;gap:12px}
  .main-nav a{padding:12px 14px}
  .hamburger{display:block}
  .menu-toggle{display:block;position:absolute;left:-9999px;top:-9999px}

  .menu-toggle:checked + .main-nav{opacity:1;pointer-events:auto;transform:none}
  /* place hamburger at right */
  .hamburger{margin-left:auto}
  .header-cta{display:none}
  .footer-grid{flex-direction:column;align-items:flex-start}
  .grid-4{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
}

a:focus{outline:3px solid rgba(37,99,235,0.18);outline-offset:3px}