/* RTP Forge — тёмная строгая тема. Токены — --rf-*. */
:root {
  --rf-bg: #0b0d10; --rf-bg-2: #12161b; --rf-bg-3: #1a2027; --rf-line: #262e37;
  --rf-text: #e7ebef; --rf-muted: #9aa5b1; --rf-dim: #6b7682;
  --rf-accent: #e0b04f; --rf-accent-ink: #14100a; --rf-accent-2: #5cc8e6;
  --rf-ok: #4fc58a; --rf-bad: #f0716a;
  --rf-radius: 10px; --rf-wrap: 1180px;
  --rf-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --rf-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { background: var(--rf-bg); color: var(--rf-text); font: 16px/1.6 var(--rf-font); -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
a { color: var(--rf-accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
h2 { font-size: 1.45rem; }
img { max-width: 100%; height: auto; display: block; }
.rf-wrap { max-width: var(--rf-wrap); margin: 0 auto; padding: 0 24px; }

.rf-top { border-bottom: 1px solid var(--rf-line); background: rgba(11, 13, 16, .92); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(8px); }
.rf-top__row { display: flex; align-items: center; gap: 28px; height: 64px; }
.rf-logo { font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; color: var(--rf-text); }
.rf-logo span { color: var(--rf-accent); margin-left: .25em; font-weight: 600; }
.rf-logo:hover { text-decoration: none; }
.rf-logo--sm { font-size: 1rem; }
.rf-nav { display: flex; gap: 22px; flex: 1; }
.rf-nav a { color: var(--rf-muted); font-size: .95rem; }
.rf-nav a[aria-current] { color: var(--rf-text); }
.rf-nav a:hover { color: var(--rf-text); text-decoration: none; }
.rf-langs { display: flex; gap: 2px; font-size: .8rem; font-weight: 650; letter-spacing: .04em; }
.rf-lang { color: var(--rf-muted); padding: 4px 7px; border-radius: 6px; border: 1px solid transparent; }
.rf-lang[aria-current] { color: var(--rf-text); border-color: var(--rf-line); }
.rf-lang:hover { color: var(--rf-text); text-decoration: none; }
.rf-untr { margin-top: 18px; padding: 10px 14px; border: 1px dashed var(--rf-line); border-radius: 8px; color: var(--rf-muted); font-size: .9rem; }

.rf-btn { display: inline-block; background: var(--rf-accent); color: var(--rf-accent-ink); font-weight: 650; padding: 12px 22px; border-radius: 8px; border: 1px solid var(--rf-accent); cursor: pointer; font: inherit; font-weight: 650; }
.rf-btn:hover { text-decoration: none; filter: brightness(1.08); }
.rf-btn--sm { padding: 8px 14px; font-size: .9rem; }
.rf-btn--ghost { background: transparent; color: var(--rf-text); border-color: var(--rf-line); }
.rf-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.rf-more { font-weight: 600; }
.rf-kicker { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; color: var(--rf-accent); margin: 0 0 12px; font-weight: 700; }
.rf-lead { color: var(--rf-muted); font-size: 1.15rem; max-width: 760px; }
.rf-lead p { margin: 0 0 .6em; }
.rf-note { color: var(--rf-dim); font-size: .9rem; max-width: 820px; }

.rf-hero { padding: 96px 0 72px; border-bottom: 1px solid var(--rf-line); background: radial-gradient(1200px 400px at 70% -10%, rgba(224, 176, 79, .10), transparent 60%), radial-gradient(900px 300px at 10% 0%, rgba(92, 200, 230, .07), transparent 60%); }
.rf-hero__title { font-size: clamp(2.4rem, 6vw, 4.2rem); max-width: 900px; }
.rf-hero__lead { color: var(--rf-muted); font-size: 1.2rem; max-width: 700px; }

.rf-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-top: 56px; padding-bottom: 24px; }
.rf-card { background: var(--rf-bg-2); border: 1px solid var(--rf-line); border-radius: var(--rf-radius); padding: 26px; }
.rf-card__n { font-family: var(--rf-mono); color: var(--rf-accent); margin: 0 0 18px; }
.rf-card p { color: var(--rf-muted); }

.rf-band { padding-top: 48px; padding-bottom: 24px; }
.rf-band__head { display: flex; align-items: baseline; justify-content: space-between; }
.rf-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.rf-tile { background: var(--rf-bg-2); border: 1px solid var(--rf-line); border-radius: var(--rf-radius); overflow: hidden; color: var(--rf-text); display: flex; flex-direction: column; }
.rf-tile:hover { border-color: var(--rf-accent); text-decoration: none; }
.rf-tile img { aspect-ratio: 32 / 15; object-fit: cover; }
.rf-tile__t { font-weight: 700; padding: 12px 14px 0; }
.rf-tile__v { color: var(--rf-muted); padding: 0 14px; font-size: .9rem; }
.rf-tile__n { color: var(--rf-dim); padding: 6px 14px 14px; font-size: .85rem; font-family: var(--rf-mono); }

.rf-split { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; padding-top: 64px; padding-bottom: 24px; }
.rf-final { text-align: center; padding-top: 72px; padding-bottom: 96px; }
.rf-final p { color: var(--rf-muted); }

.rf-page { padding-top: 56px; padding-bottom: 64px; }
.rf-head { margin-bottom: 32px; }
.rf-head--row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.rf-prose { max-width: 760px; }
.rf-prose--wide { max-width: 900px; }
.rf-prose h2 { margin-top: 1.8em; }
.rf-prose h3 { margin-top: 1.4em; font-size: 1.1rem; }
.rf-prose ul, .rf-prose ol { padding-left: 1.2em; }
.rf-prose li { margin: .35em 0; }
.rf-prose table { border-collapse: collapse; width: 100%; margin: 1.2em 0; font-size: .92rem; }
.rf-prose th, .rf-prose td { border-bottom: 1px solid var(--rf-line); padding: 8px 10px; text-align: left; vertical-align: top; }
.rf-prose th { color: var(--rf-muted); font-weight: 600; }
.rf-prose td:not(:first-child), .rf-prose th:not(:first-child) { font-variant-numeric: tabular-nums; }
.rf-prose img { margin: 1.4em 0; border: 1px solid var(--rf-line); border-radius: var(--rf-radius); background: var(--rf-bg-2); }
.rf-prose blockquote { margin: 1.2em 0; padding: 4px 18px; border-left: 3px solid var(--rf-accent); color: var(--rf-muted); }
.rf-prose code { font-family: var(--rf-mono); font-size: .9em; background: var(--rf-bg-3); padding: 1px 5px; border-radius: 4px; }
.rf-steps { counter-reset: s; }

.rf-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.rf-preset { background: var(--rf-bg-2); border: 1px solid var(--rf-line); border-radius: var(--rf-radius); overflow: hidden; color: var(--rf-text); }
.rf-preset:hover { border-color: var(--rf-accent); text-decoration: none; }
.rf-preset img { aspect-ratio: 32 / 15; object-fit: cover; }
.rf-preset__body { padding: 18px 20px 20px; }
.rf-preset h2 span, .rf-variant { color: var(--rf-muted); font-weight: 500; }
.rf-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 14px; }
.rf-tags span { border: 1px solid var(--rf-line); border-radius: 999px; padding: 2px 10px; font-size: .8rem; color: var(--rf-muted); text-transform: capitalize; }
.rf-char--steady { color: var(--rf-accent-2) !important; }
.rf-char--balanced { color: var(--rf-accent) !important; }
.rf-char--brutal { color: var(--rf-bad) !important; }

.rf-nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rf-line); border: 1px solid var(--rf-line); border-radius: var(--rf-radius); overflow: hidden; margin: 0 0 16px; }
.rf-nums div { background: var(--rf-bg-2); padding: 14px 16px; }
.rf-nums dt { color: var(--rf-dim); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.rf-nums dd { margin: 4px 0 0; font-size: 1.35rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.rf-nums--sm dd { font-size: 1rem; }
.rf-nums--sm div { padding: 8px 10px; }
.rf-crumbs { color: var(--rf-dim); font-size: .9rem; }

.rf-play { padding: 0 24px 24px; }
.rf-frame { display: block; width: 100%; max-width: 1440px; height: 820px; margin: 0 auto; border: 1px solid var(--rf-line); border-radius: var(--rf-radius); background: var(--rf-bg-2); }

.rf-proto { display: inline-block; border: 1px dashed var(--rf-accent); color: var(--rf-accent); border-radius: 8px; padding: 6px 12px; font-size: .9rem; margin: 0 0 24px; }
.rf-wiz { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
.rf-wiz fieldset { border: 1px solid var(--rf-line); border-radius: var(--rf-radius); padding: 14px 18px; margin: 0; background: var(--rf-bg-2); }
.rf-wiz legend { color: var(--rf-accent); font-weight: 700; padding: 0 6px; }
.rf-wiz label { display: block; padding: 5px 0; cursor: pointer; color: var(--rf-muted); }
.rf-wiz input:checked + * , .rf-wiz label:has(input:checked) { color: var(--rf-text); }
.rf-wiz-out__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; margin-bottom: 16px; }

.rf-form { display: grid; gap: 14px; max-width: 640px; margin-top: 24px; }
.rf-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rf-form label { display: grid; gap: 6px; color: var(--rf-muted); font-size: .9rem; }
.rf-form input, .rf-form textarea { font: inherit; color: var(--rf-text); background: var(--rf-bg-2); border: 1px solid var(--rf-line); border-radius: 8px; padding: 10px 12px; }
.rf-form input:focus, .rf-form textarea:focus { outline: 2px solid var(--rf-accent); outline-offset: 0; border-color: transparent; }
.rf-form .rf-btn { justify-self: start; }
.rf-form select { font: inherit; color: var(--rf-text); background: var(--rf-bg-2); border: 1px solid var(--rf-line); border-radius: 8px; padding: 10px 12px; }
.rf-wiz-out__btns { display: flex; gap: 10px; flex-wrap: wrap; }
.rf-price { border: 1px solid var(--rf-line); border-radius: var(--rf-radius); background: var(--rf-bg-2); padding: 24px 28px; margin: 8px 0 40px; }
.rf-price__head { display: flex; align-items: baseline; gap: 24px; flex-wrap: wrap; border-bottom: 1px solid var(--rf-line); padding-bottom: 18px; margin-bottom: 8px; }
.rf-price__head h2 { margin: 0; flex: 1 1 260px; }
.rf-price__num { margin: 0; color: var(--rf-muted); font-size: 1.1rem; }
.rf-price__num b { color: var(--rf-text); font-size: 2rem; font-variant-numeric: tabular-nums; }
.rf-services h2 { margin-bottom: 4px; }
.rf-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.rf-ok { color: var(--rf-ok); border: 1px solid var(--rf-ok); border-radius: 8px; padding: 10px 14px; margin: 0; }
.rf-errmsg { color: var(--rf-bad); border: 1px solid var(--rf-bad); border-radius: 8px; padding: 10px 14px; margin: 0; }
.rf-err { text-align: center; padding-top: 96px; padding-bottom: 120px; }

.rf-foot { border-top: 1px solid var(--rf-line); color: var(--rf-dim); font-size: .9rem; }
.rf-foot__row { display: flex; justify-content: space-between; gap: 20px; padding-top: 28px; padding-bottom: 28px; flex-wrap: wrap; }
.rf-foot a { color: var(--rf-muted); }

@media (max-width: 900px) {
  .rf-nav { display: none; }
  .rf-cards, .rf-strip, .rf-grid, .rf-split, .rf-wiz { grid-template-columns: 1fr; }
  .rf-nums { grid-template-columns: repeat(2, 1fr); }
  .rf-form__row { grid-template-columns: 1fr; }
  .rf-frame { height: 640px; }
}