:root{
  --bg: #0b0d12;
  --panel: #12151d;
  --panel-2: #181c27;
  --text: #e9eef7;
  --muted: #a8b3c7;
  --brand: #4da3ff;
  --brand-strong: #2d7ee6;
  --accent: #82e0aa;
  --border: #232839;
  --shadow: rgba(0,0,0,0.35);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: linear-gradient(180deg, #0b0d12 0%, #0c1018 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container{
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

a{ color: var(--brand); text-decoration: none; }
a:hover{ color: var(--brand-strong); }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
  transition: transform .06s ease, background .2s ease, border-color .2s ease, color .2s ease;
  cursor: pointer;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-strong) 100%);
  color: #fff;
  border: none;
}
.btn-ghost{
  background: transparent;
  border-color: var(--border);
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(10,12,18,0.6);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav{
  display: flex;
  height: 64px;
  align-items: center;
  justify-content: space-between;
}
.brand{ display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.brand-mark{ width: 26px; height: 26px; }
.brand-name{ font-weight: 700; letter-spacing: 0.2px; }
.menu{ display: flex; gap: 18px; align-items: center; }
.menu a{ color: var(--text); opacity: 0.9; }
.menu a:hover{ opacity: 1; }

.hero{
  padding: 64px 0 24px;
  background:
    radial-gradient(800px 400px at 20% 0%, rgba(77,163,255,0.15), transparent 50%),
    radial-gradient(600px 300px at 80% 10%, rgba(130,224,170,0.12), transparent 50%);
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: center;
}
.hero-copy h1{
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.1;
  margin: 0 0 10px;
}
.lead{ font-size: 18px; color: var(--muted); }
.cta-row{ display: flex; gap: 12px; margin: 18px 0; flex-wrap: wrap; }
.trust-points{ list-style: none; padding: 0; margin: 18px 0 0; color: var(--muted); display: grid; gap: 6px; }

.hero-card{
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px var(--shadow);
  overflow: hidden;
}
.hero-card img{ display:block; width:100%; height:auto; }

.section{
  padding: 56px 0;
}
.section.alt{
  background: linear-gradient(180deg, rgba(23,27,39,0.5) 0%, rgba(12,16,24,0.35) 100%);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.section-header{
  margin-bottom: 22px;
}
.section-header h2{
  margin: 0 0 6px;
  font-size: 28px;
}
.muted{ color: var(--muted); }

.cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card{
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 8px 20px var(--shadow);
}
.card-icon{ font-size: 22px; }
.card h3{ margin: 8px 0 8px; font-size: 20px; }
.bullets{ margin: 10px 0 0; padding-left: 18px; color: var(--muted); }

.product-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.product{
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.tag-row{ display:flex; gap:8px; flex-wrap: wrap; margin-top: 10px; }
.tag{
  font-size: 12px;
  color: #cfe3ff;
  background: rgba(77,163,255,0.12);
  border: 1px solid rgba(77,163,255,0.25);
  padding: 4px 8px;
  border-radius: 999px;
}

.about-grid{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
}
.about-list{ margin: 0; padding-left: 18px; color: var(--muted); }

.contact-card{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.contact-details ul{ margin: 0; padding-left: 18px; color: var(--muted); }

.site-footer{
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
  background: rgba(12,14,20,0.5);
}
.footer-grid{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-brand{ display: flex; align-items: center; gap: 10px; color: var(--muted); }
.footer-menu{ display: flex; gap: 16px; }
.footer-menu a{ color: var(--muted); }
.footer-menu a:hover{ color: var(--text); }

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .cards, .product-grid{ grid-template-columns: 1fr 1fr; }
  .about-grid, .contact-card{ grid-template-columns: 1fr; }
}
@media (max-width: 640px){
  .menu{ display: none; } /* simple approach for mobile; could add a toggle menu later */
  .cards, .product-grid{ grid-template-columns: 1fr; }
  .hero{ padding-top: 36px; }
}