:root {
  --bg: #07141f;
  --panel: #102536;
  --ink: #f4efe4;
  --muted: #9bb0c0;
  --gold: #f4c430;
  --accent: #f08a24;
  --line: #1d3a4f;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}
body { line-height: 1.45; }
a { color: var(--gold); }
.site-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 28px;
  font-size: 0.92rem;
}
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a.on { color: var(--gold); }
.site-nav .brand { color: var(--gold); font-weight: 700; letter-spacing: 0.08em; margin-right: auto; }
.wrap { max-width: 980px; margin: 0 auto; padding: 24px 20px 64px; }
.prose { max-width: 62ch; }
.prose h2 { color: var(--gold); margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; }
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 40px;
}
.hero img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  display: block;
}
h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 0.95;
  margin: 0 0 12px;
  letter-spacing: -0.03em;
}
.lead { color: var(--muted); font-size: 1.15rem; max-width: 36ch; }
.row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn {
  display: inline-block;
  background: var(--gold);
  color: #1a1408;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.card h3 { margin: 0 0 8px; color: var(--gold); }
.foot { margin-top: 40px; color: var(--muted); font-size: 0.9rem; }
@media (max-width: 800px) {
  .hero, .grid { grid-template-columns: 1fr; }
}

.designer {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
}
canvas {
  width: 100%;
  max-width: 320px;
  height: auto;
  background: #0b1c2c;
  border-radius: 20px;
  border: 1px solid var(--line);
}
label { display: block; font-size: 0.82rem; color: var(--muted); margin: 10px 0 4px; }
input[type="text"], select {
  width: 100%;
  background: #0b1c2c;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatches button {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid transparent; cursor: pointer;
}
.swatches button.on { border-color: #fff; }
.status { min-height: 1.4em; color: var(--muted); margin-top: 12px; }
@media (max-width: 800px) {
  .designer { grid-template-columns: 1fr; }
}