/* =========================================================================
   AvangardAI ROI — calculator styles (Variant A · Live split)
   Responsiveness via container queries on .roi-shell so the layout
   adapts to its own width (desktop vs mobile) regardless of viewport.
   ========================================================================= */

.roi-shell { container-type: inline-size; container-name: roi; width: 100%; box-sizing: border-box; }
.roi-shell *, .roi-shell *::before, .roi-shell *::after { box-sizing: border-box; }

.vA {
  display: grid; grid-template-columns: 1.02fr 1.18fr;
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-md); color: var(--fg-1);
}
.vA-left { padding: 40px; display: flex; flex-direction: column; gap: 26px; }
.vA-head { display: flex; flex-direction: column; }
.vA-title { font-family: var(--font-sans); font-weight: 400; font-size: 30px; line-height: 1.16; letter-spacing: -0.025em; margin: 6px 0 0; max-width: 18ch; }
.vA-fields { display: flex; flex-direction: column; gap: 22px; }

.vA-right { background: var(--lavender-ice); padding: 40px; display: flex; flex-direction: column; gap: 20px; }
.vA-hero { display: flex; align-items: stretch; gap: 28px; }
.vA-hero-block { display: flex; flex-direction: column; gap: 6px; }
.vA-hero-label { font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: var(--fg-2); }
.vA-hero-num { font-family: var(--font-sans); font-weight: 400; font-size: 64px; line-height: 0.95; letter-spacing: -0.03em; color: var(--blue); }
.vA-hero-num.small { font-size: 40px; color: var(--fg-1); }
.vA-hero-sep { width: 1px; background: rgba(0,0,0,0.12); }

.vA-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.vA-stat { background: #fff; border-radius: var(--r-md); padding: 16px 18px; display: flex; flex-direction: column; gap: 4px; }
.vA-stat.span { grid-column: 1 / -1; }
.vA-stat-label { font-family: var(--font-sans); font-size: 13px; color: var(--fg-2); line-height: 1.25; }
.vA-stat-val { font-family: var(--font-sans); font-size: 26px; font-weight: 400; letter-spacing: -0.02em; color: var(--fg-1); }
.vA-stat-sub { font-family: var(--font-mono); font-size: 12px; color: var(--blue); }

.vA-chart-card { background: #fff; border-radius: var(--r-md); padding: 18px 18px 8px; }
.vA-chart-head { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: var(--fg-2); margin-bottom: 6px; }
.vA-chart-bench { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.vA-leadwrap { background: #fff; border-radius: var(--r-md); padding: 24px; }

@container roi (max-width: 720px) {
  .vA { grid-template-columns: 1fr; }
  .vA-left, .vA-right { padding: 24px; }
  .vA-hero-num { font-size: 52px; }
  .vA-grid { grid-template-columns: 1fr; }
}

/* =========================================================================
   Variant B — Группа продуктов
   ========================================================================= */
.vB {
  display: flex; flex-direction: column; gap: 28px;
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-md); color: var(--fg-1); padding: 40px;
}
.vB-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.vB-title { font-family: var(--font-sans); font-weight: 400; font-size: 34px; line-height: 1.12; letter-spacing: -0.028em; margin: 8px 0 0; }
.vB-sub { font-family: var(--font-sans); font-size: 16px; line-height: 1.45; color: var(--fg-2); margin: 12px 0 0; max-width: 60ch; }
.vB-switch {
  flex: none; display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  font-family: var(--font-sans); font-size: 14px; font-weight: 500; letter-spacing: -0.01em;
  color: var(--blue); background: var(--lavender-card); border-radius: var(--r-pill);
  padding: 11px 18px; transition: background .15s, color .15s;
}
.vB-switch:hover { background: var(--blue); color: #fff; }

/* ---- product catalog ---- */
.vB-catalog { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.vB-group { background: var(--mist); border: 1px solid var(--bg-divider); border-radius: var(--r-lg); padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.vB-group-ico { width: 48px; height: 48px; border-radius: var(--r-md); background: #fff; box-shadow: var(--shadow-sm); display: grid; place-items: center; color: var(--blue); margin-bottom: 6px; }
.vB-group-title { font-family: var(--font-sans); font-size: 22px; font-weight: 600; letter-spacing: -0.02em; color: var(--fg-1); }
.vB-group-blurb { font-family: var(--font-sans); font-size: 14.5px; line-height: 1.42; color: var(--fg-2); min-height: 3em; }
.vB-group-list { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }

/* product toggle */
.vB-prod { background: #fff; border: 1.5px solid var(--bg-divider); border-radius: var(--r-md); overflow: hidden; transition: border-color .15s cubic-bezier(.22,.61,.36,1), box-shadow .15s, background .15s; }
.vB-prod.active { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(55,55,255,0.10); }
.vB-prod-toggle { width: 100%; display: flex; align-items: flex-start; gap: 12px; background: transparent; border: none; cursor: pointer; text-align: left; padding: 14px 16px; }
.vB-prod-check {
  flex: none; width: 22px; height: 22px; border-radius: 6px; margin-top: 1px;
  border: 1.5px solid var(--smoke); background: #fff; color: #fff;
  display: grid; place-items: center; transition: background .15s, border-color .15s;
}
.vB-prod.active .vB-prod-check { background: var(--blue); border-color: var(--blue); }
.vB-prod-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.vB-prod-label { font-family: var(--font-sans); font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; color: var(--fg-1); line-height: 1.25; }
.vB-prod.active .vB-prod-label { color: var(--blue-deep); }
.vB-prod-desc { font-family: var(--font-sans); font-size: 13px; line-height: 1.35; color: var(--fg-3); }
.vB-prod-share { padding: 4px 16px 16px; border-top: 1px solid var(--bg-divider); margin-top: -2px; }
.vB-prod-share .roi-field { gap: 8px; padding-top: 12px; }
.vB-prod-share .roi-field-label { font-size: 13px; }
.vB-prod-share .roi-field-val { font-size: 14px; }

/* ---- inputs + results body ---- */
.vB-body { display: grid; grid-template-columns: 1.02fr 1.18fr; gap: 16px; }
.vB-inputs { background: var(--mist); border-radius: var(--r-lg); padding: 32px; }
.vB-results { background: var(--lavender-ice); border-radius: var(--r-lg); padding: 32px; display: flex; flex-direction: column; gap: 18px; }

/* ---- input groups (ROI vs tariff cost) ---- */
.vB-inp-group + .vB-inp-group { margin-top: 30px; }
.vB-inp-glabel { display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 11.5px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue); margin-bottom: 18px; }
.vB-inp-glabel .vB-inp-gnote { color: var(--fg-3); font-weight: 400; letter-spacing: 0.02em; text-transform: none; }
.vB-inp-glabel::after { content: ""; flex: 1; height: 1px; background: var(--bg-divider); }

/* ---- cost breakdown ---- */
.vB-cost { background: #fff; border: 1px solid var(--bg-divider); border-radius: var(--r-md); padding: 18px 20px; display: flex; flex-direction: column; gap: 14px; }
.vB-cost-empty { color: var(--fg-3); font-family: var(--font-sans); font-size: 14px; text-align: center; padding: 28px 20px; }
.vB-cost-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.vB-cost-title { font-family: var(--font-sans); font-size: 18px; font-weight: 500; letter-spacing: -0.02em; color: var(--fg-1); margin-top: 2px; }
.vB-cost-lines { display: flex; flex-direction: column; gap: 8px; }
.vB-cost-line { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 15px; border-radius: var(--r-sm); background: var(--lavender-card); border: 1px solid transparent; transition: border-color var(--tr-snug), background var(--tr-snug); }
.vB-cost-line:hover { border-color: var(--blue-dim); }
.vB-cost-line-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.vB-cost-line-lbl { font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--fg-1); letter-spacing: -0.01em; }
.vB-cost-line-det { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.vB-cost-line-price { font-family: var(--font-mono); font-size: 14.5px; font-weight: 600; color: var(--blue); white-space: nowrap; flex: none; }

@container roi (max-width: 980px) {
  .vB-catalog { grid-template-columns: 1fr; }
  .vB-group-blurb { min-height: 0; }
}
@container roi (max-width: 720px) {
  .vB { padding: 24px; }
  .vB-head { flex-direction: column; }
  .vB-title { font-size: 27px; }
  .vB-body { grid-template-columns: 1fr; }
  .vB-inputs, .vB-results { padding: 24px; }
}