:root{
  --bg: #0b0d10;
  --card: #111419;
  --alt: #0e1217;
  --text: #e9eef5;
  --muted: #a9b4c2;
  --primary: #2dd4bf;
  --primary-ink: #072b27;
  --outline: #1f2430;
  --accent: #60a5fa;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #0a0c10 0%, #080a0e 100%);
  line-height: 1.6;
}
img{max-width:100%;height:auto;display:block;border-radius:12px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.alt{background: var(--alt)}
.section h2{font-size:2rem;margin:0 0 12px}
.section-intro{color:var(--muted);margin:0 0 28px}

/* Header */
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:8px;background:#fff;color:#000;padding:8px;border-radius:6px;z-index:999}
.site-header{
  position:sticky;top:0;z-index:50;
  background: rgba(10,12,16,.7); backdrop-filter: saturate(140%) blur(10px);
  border-bottom:1px solid var(--outline);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.logo-mark{
  width:36px;height:36px;border-radius:9px;background: linear-gradient(135deg, var(--primary), #22d3ee);
  display:grid;place-items:center;color:#001b18;font-weight:800
}
.logo-text{font-weight:800;letter-spacing:.2px}

/* Nav */
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--outline);background:transparent;border-radius:10px;display:none;
}
.nav-toggle .bar{display:block;width:20px;height:2px;background:var(--text);margin:4px auto;border-radius:2px}
.nav-menu{display:flex;gap:18px;align-items:center;list-style:none;margin:0;padding:0}
.nav-menu a{color:var(--text);padding:8px 10px;border-radius:8px}
.nav-menu a.btn{padding:10px 14px}

/* Hero */
.hero{padding:72px 0;border-bottom:1px solid var(--outline)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.hero h1{font-size:2.4rem;line-height:1.1;margin:0 0 12px}
.hero p{color:var(--muted);margin:0 0 20px}
.hero-cta{display:flex;gap:12px}
.trust-list{display:flex;gap:16px;list-style:none;padding:0;margin:18px 0 0;color:var(--muted);flex-wrap:wrap}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background: var(--card); border:1px solid var(--outline); padding:18px; border-radius:14px;
}
.card h3{margin:0 0 10px}
.checklist{margin:0;padding-left:18px}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{
  background: var(--card); border:1px solid var(--outline); padding:22px; border-radius:14px; position:relative
}
.price-card .price{font-size:1.8rem;margin:8px 0 14px}
.price-card ul{margin:0 0 18px;padding-left:18px}
.price-card .badge{
  position:absolute;top:14px;right:14px;background:var(--primary);color:var(--primary-ink);
  padding:6px 10px;border-radius:999px;font-size:.8rem;font-weight:700
}
.price-card.featured{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}

/* Reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:var(--card);border:1px solid var(--outline);padding:18px;border-radius:14px}
.review blockquote{margin:0 0 10px}

/* Form */
.form{max-width:720px}
.form-row{display:flex;flex-direction:column;margin:0 0 14px}
.form-row.full{grid-column:1/-1}
.form input,.form select,.form textarea{
  background:#0c1016;color:var(--text);border:1px solid var(--outline);border-radius:10px;
  padding:11px 12px;font-size:1rem
}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.form-actions{display:flex;align-items:center;gap:16px;margin-top:8px}
.form-note{margin:0;color:var(--muted)}

/* Contact details */
.contact-details{margin-top:28px}
.contact-details h3{margin:16px 0 4px}

/* Footer */
.site-footer{border-top:1px solid var(--outline);background:#090c11}
.footer-inner{display:flex;align-items:center;justify-content:space-between;padding:24px 0}
.copy{color:var(--muted);margin:8px 0 0}

/* Buttons */
.btn{
  display:inline-block;border-radius:10px;border:1px solid var(--outline);padding:10px 14px;font-weight:600;
  text-decoration:none;transition:transform .04s ease, background .2s ease;
}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--primary);color:var(--primary-ink);border-color:transparent}
.btn-outline{background:transparent;color:var(--text)}
.btn-secondary{background:#0f1722;color:var(--text)}

/* Responsive */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .pricing{grid-template-columns:1fr 1fr}
  .reviews{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .nav-toggle{display:block}
  .nav-menu{
    position:absolute;right:16px;top:66px;background:var(--card);border:1px solid var(--outline);
    border-radius:12px;padding:10px;display:none;flex-direction:column;gap:6px;min-width:200px
  }
  .nav-menu.open{display:flex}
  .hero{padding:44px 0}
  .card-grid{grid-template-columns:1fr}
  .pricing{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .reviews{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:10px;align-items:flex-start}
}