/* MakerPG — оформление лендинга. Без внешних зависимостей: один файл на весь сайт. */
:root {
  --bg: #0d1017;
  --panel: rgba(255, 255, 255, .045);
  --line: rgba(255, 255, 255, .12);
  --text: #eef2f8;
  --muted: #98a4b8;
  --accent: #5ec8ff;
  --accent2: #8b5cff;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 10% 0%, rgba(94, 200, 255, .18), transparent 70%),
    radial-gradient(55% 45% at 100% 10%, rgba(139, 92, 255, .2), transparent 70%);
}
.wrap { max-width: 900px; margin: 0 auto; padding: 0 20px; }
header { padding: 22px 0; display: flex; align-items: center; gap: 12px; }
.logo { font-weight: 800; letter-spacing: -.02em; font-size: 19px; }
.logo span { color: var(--accent); }
.hero { padding: 64px 0 40px; }
h1 { font-size: clamp(30px, 5.4vw, 52px); line-height: 1.12; letter-spacing: -.03em; margin: 0 0 16px; }
.lead { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: 999px;
  font-weight: 650; text-decoration: none; border: 1px solid var(--line); color: var(--text);
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
/* у <button> браузерный светлый фон — на тёмной теме текст пропадал */
.btn { background: transparent; color: var(--text); cursor: pointer; font: inherit; font-size: 16px; }
.btn--main { background: linear-gradient(100deg, var(--accent), var(--accent2)); color: #071018; border-color: transparent; box-shadow: 0 14px 34px rgba(94, 200, 255, .25); }
section { padding: 34px 0; }
h2 { font-size: clamp(22px, 3.4vw, 30px); letter-spacing: -.02em; margin: 0 0 14px; }
h3 { font-size: 18px; margin: 0 0 6px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; backdrop-filter: blur(10px); }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
ol.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
ol.steps li { counter-increment: s; position: relative; padding-left: 52px; }
ol.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; color: #071018;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
details { border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; background: var(--panel); }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }
.demo { display: grid; gap: 12px; }
.demo__log { background: #0a0d13; border: 1px solid var(--line); border-radius: 12px; padding: 16px; min-height: 120px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 14px; color: #cfe6ff; white-space: pre-wrap; }
footer { padding: 40px 0 56px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); margin-top: 30px; }
footer a { color: var(--accent); }
@media (max-width: 560px) { .hero { padding: 40px 0 24px; } section { padding: 24px 0; } }

/* --- генератор QR --- */
.qr { display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
.qr__form { display: grid; gap: 12px; }
.qr__row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.qr__row label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.qr textarea, .qr select {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(255, 255, 255, .05); color: var(--text); font: inherit; font-size: 15px;
}
.qr textarea { min-height: 92px; resize: vertical; }
.qr select { width: auto; min-width: 130px; }
.qr__out {
  display: grid; place-items: center; gap: 10px; padding: 14px; border-radius: 14px;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line); min-width: 200px; min-height: 200px;
}
.qr__out svg { display: block; max-width: 100%; height: auto; border-radius: 8px; }
.qr__note { color: var(--muted); font-size: 14px; margin: 0; }
.qr__hint { color: var(--muted); font-size: 13.5px; margin: 0; }
table.spec { width: 100%; border-collapse: collapse; font-size: 15px; }
table.spec th, table.spec td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
table.spec th { color: var(--muted); font-weight: 600; }
@media (max-width: 760px) { .qr { grid-template-columns: minmax(0, 1fr); } }