:root {
  --bg: #0b1220;
  --panel: #121a2b;
  --panel2: #182338;
  --text: #e8eef9;
  --muted: #9aabC4;
  --accent: #3dd6c6;
  --accent2: #4f8cff;
  --line: rgba(255,255,255,.08);
  --ok: #7dffa0;
  --warn: #ffd27a;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --max: 1100px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61,214,198,.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(79,140,255,.16), transparent 50%),
    var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(11,18,32,.75);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 20;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem 0;
}
.logo {
  font-weight: 800; letter-spacing: .02em; font-size: 1.15rem;
  color: var(--text); text-decoration: none;
}
.logo span { color: var(--accent); }
nav { display: flex; gap: .35rem; flex-wrap: wrap; }
nav a {
  color: var(--muted); padding: .45rem .75rem; border-radius: 999px;
  text-decoration: none; font-size: .95rem;
}
nav a:hover, nav a.active {
  color: var(--text); background: rgba(255,255,255,.06); text-decoration: none;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #041018; font-weight: 700; padding: .75rem 1.15rem;
  border-radius: 999px; text-decoration: none;
}
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn.ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line);
}
.hero {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem;
  align-items: center; padding: 3.2rem 0 2.2rem;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; margin: 0 0 1rem;
}
.hero p { color: var(--muted); font-size: 1.05rem; margin: 0 0 1.4rem; }
.hero-card {
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border: 1px solid var(--line); border-radius: calc(var(--radius) + 6px);
  padding: 1.2rem; box-shadow: var(--shadow);
}
.hero-card img { border-radius: 14px; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.pill {
  display: inline-block; font-size: .78rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent); background: rgba(61,214,198,.12);
  border: 1px solid rgba(61,214,198,.25); padding: .35rem .65rem;
  border-radius: 999px; margin-bottom: .9rem;
}
.section { padding: 2.2rem 0 3rem; }
.section h2 { margin: 0 0 .4rem; font-size: 1.7rem; }
.section .lead { color: var(--muted); margin: 0 0 1.5rem; max-width: 60ch; }
.grid-4 {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; min-height: 100%;
}
.card .media { background: #0a101c; }
.card .media img { width: 100%; aspect-ratio: 1; object-fit: contain; padding: 1rem; }
.card .body { padding: 1rem 1.05rem 1.15rem; display: flex; flex-direction: column; gap: .55rem; flex: 1; }
.card h3 { margin: 0; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .92rem; }
.price { font-weight: 800; color: var(--ok); margin-top: auto; }
.tag {
  font-size: .75rem; color: var(--warn); font-weight: 700;
}
.features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.feature {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.1rem 1.15rem;
}
.feature h3 { margin: 0 0 .4rem; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: .92rem; }
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.3rem 1.4rem;
}
.muted { color: var(--muted); }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: .55rem 0; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
form { display: grid; gap: .8rem; }
label { font-size: .85rem; color: var(--muted); }
input, textarea {
  width: 100%; background: #0c1422; color: var(--text);
  border: 1px solid var(--line); border-radius: 12px;
  padding: .75rem .85rem; font: inherit;
}
textarea { min-height: 130px; resize: vertical; }
.note {
  font-size: .85rem; color: var(--muted);
  background: rgba(255,210,122,.08); border: 1px solid rgba(255,210,122,.2);
  padding: .75rem .9rem; border-radius: 12px;
}
footer {
  border-top: 1px solid var(--line); padding: 1.6rem 0 2.2rem;
  color: var(--muted); font-size: .9rem;
}
footer .foot {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
@media (max-width: 960px) {
  .hero, .grid-4, .features, .grid-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hero, .grid-4, .features, .grid-2 { grid-template-columns: 1fr; }
  nav { display: none; }
}