:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #0c1a2c;
  --panel-light: #10223a;
  --blue: #3e8bff;
  --text: #f4f7fc;
  --muted: #9eacc1;
  --border: rgba(155, 181, 220, .16);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(62,139,255,.12), transparent 42%),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.topbar {
  min-height: 76px;
  padding: 15px max(5%, calc((100% - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(7,17,31,.92);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 850;
  letter-spacing: 1px;
  font-size: 14px;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 3px;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #3e8bff, #1753b2);
  box-shadow: 0 7px 25px rgba(62,139,255,.18);
  font-size: 13px;
}

nav { display: flex; align-items: center; gap: 25px; }
nav a { color: var(--muted); font-size: 13px; }
nav a:hover, nav a.active { color: white; }

.hero {
  max-width: 1180px;
  margin: auto;
  padding: 100px 24px 78px;
  text-align: center;
}

.eyebrow {
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2.5px;
}

.hero h1 {
  margin: 17px 0;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.08;
  letter-spacing: -2px;
}

.hero h1 span {
  color: var(--blue);
}

.hero > p, .support-panel p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--muted);
}

.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 46px;
  padding: 12px 19px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 750;
  transition: transform .2s, background .2s;
}

.primary-button {
  margin-top: 27px;
  background: var(--blue);
  color: white;
}

.primary-button:hover, .secondary-button:hover {
  transform: translateY(-2px);
}

.hero-note {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  margin-top: 25px;
  color: var(--muted);
  font-size: 12px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #48d597;
  box-shadow: 0 0 12px rgba(72,213,151,.4);
}

.store-section, .info-panel, .support-panel {
  width: min(1120px, 90%);
  margin: 0 auto 48px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 23px;
}

.section-heading h2, .support-panel h2 {
  margin: 5px 0 0;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: -.8px;
}

.catalogue-tag {
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 11px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 19px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: linear-gradient(145deg, rgba(16,34,58,.95), rgba(10,23,39,.96));
  transition: border-color .2s, transform .2s;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(62,139,255,.6);
}

.product-art {
  display: grid;
  place-items: center;
  min-height: 135px;
  margin-bottom: 22px;
  border: 1px solid rgba(62,139,255,.13);
  border-radius: 11px;
  background: radial-gradient(circle, rgba(62,139,255,.18), transparent 68%);
  color: var(--blue);
  font-size: 35px;
  font-weight: 900;
  letter-spacing: -1px;
}

.product-type {
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.product-card h3 {
  margin: 8px 0;
  font-size: 19px;
}

.product-card p {
  flex: 1;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
}

.product-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 17px;
  border-top: 1px solid var(--border);
}

.product-price { font-size: 17px; font-weight: 850; }

.buy-button {
  border: 0;
  border-radius: 8px;
  padding: 11px 14px;
  background: var(--blue);
  color: white;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.buy-button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.notice {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.notice:empty { display: none; }

.info-panel {
  display: flex;
  gap: 16px;
  padding: 23px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: rgba(12,26,44,.75);
}

.info-icon {
  display: grid;
  flex: 0 0 30px;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(62,139,255,.15);
  color: var(--blue);
  font-weight: 900;
}

.info-panel h3 { margin: 0 0 5px; font-size: 15px; }
.info-panel p { margin: 0; color: var(--muted); font-size: 12px; }

.support-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: linear-gradient(120deg, rgba(62,139,255,.12), rgba(12,26,44,.7));
}

.support-panel p { margin: 8px 0 0; font-size: 13px; }

.secondary-button {
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: rgba(7,17,31,.5);
}

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 25px 5%;
  border-top: 1px solid var(--border);
}

footer p { color: var(--muted); font-size: 11px; }

@media (max-width: 760px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  nav { flex-wrap: wrap; gap: 14px 20px; }
  .hero { padding-top: 70px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { padding: 20px; }
  .product-art { min-height: 100px; }
  .support-panel { align-items: flex-start; flex-direction: column; }
  footer { align-items: flex-start; flex-direction: column; }
}