/* product-bundle-stack-01  (namespace b4-)  Bundle value stack: sage ground, forest brand, sun-yellow action. Filterable file slabs + sticky bundle summary. */
.b4 { --pm-ink: #17261f; --pm-bg: #e7efe8; --pm-brand: #1d4b38; --pm-on-brand: #fff; --pm-cta: #ffd23f; --pm-on-cta: #17261f; --pm-muted: #4b5f55; --pm-line: #c7d6cb; --pm-soft: #dbe8de; --pm-surface: #fff;
  --pm-btn-r: 14px; --pm-btn-bd: 2px solid #17261f; --pm-btn-sh: 0 4px 0 #17261f; --b4-a: #ffd23f; --b4-b: #7cc4a0; --b4-c: #8fb9ff; --b4-d: #ff9d8a; --b4-e: #c9b6ff; --b4-f: #ffffff; }
.b4-head { background: var(--pm-bg); }
.b4-head__in { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 14px; }
.b4-brand { font-weight: 900; font-size: 1.1rem; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.b4-brand i { width: 34px; height: 34px; border-radius: 10px; background: var(--pm-brand); color: #fff; font-style: normal; display: grid; place-items: center; }

.b4-hero { background: var(--pm-bg); padding-block: 22px 56px; overflow: hidden; }
.b4-hero__grid { display: grid; gap: 34px; align-items: center; }
.b4-h1 { font-size: clamp(2.05rem, 7.4vw, 3.5rem); line-height: 1.27; font-weight: 900; }
.b4-lead { margin: 16px 0 0; color: var(--pm-muted); font-size: clamp(1.05rem, 3vw, 1.2rem); max-width: 32em; line-height: 1.95; }
.b4-ask { margin: 24px 0 8px; font-weight: 800; }
.b4-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.b4-chips button { border: 2px solid var(--pm-ink); background: #fff; border-radius: 999px; padding: 2px 18px; font-weight: 800; min-height: 42px; cursor: pointer; font-size: .98rem; }
.b4-chips button[aria-pressed="true"] { background: var(--pm-ink); color: #fff; }
.b4-hero .pm-cta { margin-top: 24px; }
.b4-hero .pm-btn--ghost { background: #fff; }

.b4-stack { position: relative; max-width: 460px; width: 100%; margin-inline: auto; display: grid; padding-block: 8px 0; }
.b4-slab { display: grid; grid-template-columns: 14px 1fr auto; align-items: center; gap: 12px; background: #fff; border: 2px solid var(--pm-ink); border-radius: 16px; padding: 11px 16px 11px 12px; margin-top: -14px; position: relative; box-shadow: 0 5px 0 rgba(23,38,31,.9); transition: opacity .25s, transform .25s; }
.b4-slab:first-child { margin-top: 0; }
.b4-slab:nth-child(1) { transform: translateX(-18px); } .b4-slab:nth-child(2) { transform: translateX(10px); } .b4-slab:nth-child(3) { transform: translateX(-8px); } .b4-slab:nth-child(4) { transform: translateX(16px); } .b4-slab:nth-child(5) { transform: translateX(-14px); } .b4-slab:nth-child(6) { transform: translateX(6px); }
.b4-slab::before { content: ""; width: 14px; height: 36px; border-radius: 6px; background: var(--c); }
.b4-slab b { font-weight: 800; line-height: 1.4; } .b4-slab small { font-weight: 800; font-size: .74rem; background: var(--pm-soft); border-radius: 6px; padding: 0 8px; line-height: 1.9; }
.b4-slab:nth-child(1) { --c: var(--b4-a); z-index: 1; } .b4-slab:nth-child(2) { --c: var(--b4-b); z-index: 2; } .b4-slab:nth-child(3) { --c: var(--b4-c); z-index: 3; } .b4-slab:nth-child(4) { --c: var(--b4-d); z-index: 4; } .b4-slab:nth-child(5) { --c: var(--b4-e); z-index: 5; } .b4-slab:nth-child(6) { --c: var(--pm-brand); z-index: 6; }
.is-dim { opacity: .28; }
.b4-slab.is-dim { transform: translateX(0) scale(.97); }

.b4-sec { padding-block: 60px; }
.b4-sec--w { background: #fff; }
.b4-h2 { font-size: clamp(1.7rem, 5.6vw, 2.5rem); line-height: 1.32; font-weight: 900; max-width: 19em; }
.b4-sub { margin: 10px 0 0; color: var(--pm-muted); max-width: 36em; }
.b4-layout { display: grid; gap: 22px; margin-top: 28px; }
.b4-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.b4-item { background: #fff; border: 2px solid var(--pm-ink); border-radius: 20px; padding: 18px; display: grid; grid-template-columns: 58px 1fr; gap: 4px 16px; transition: opacity .25s; }
.b4-item__ico { grid-row: span 3; width: 54px; height: 62px; border: 2px solid var(--pm-ink); border-radius: 12px 12px 12px 4px; background: var(--c); display: grid; place-items: end center; padding-bottom: 8px; font-weight: 900; font-size: .78rem; line-height: 1.3; text-align: center; }
.b4-item h3 { margin: 0; font-size: 1.2rem; font-weight: 900; line-height: 1.45; }
.b4-item p { margin: 0; color: var(--pm-muted); line-height: 1.8; }
.b4-item dl { margin: 4px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 0 10px; font-size: .9rem; }
.b4-item dt { font-weight: 800; color: var(--pm-brand); } .b4-item dd { margin: 0; color: var(--pm-muted); font-weight: 600; }
.b4-item:nth-child(1) { --c: var(--b4-a); } .b4-item:nth-child(2) { --c: var(--b4-b); } .b4-item:nth-child(3) { --c: var(--b4-c); } .b4-item:nth-child(4) { --c: var(--b4-d); } .b4-item:nth-child(5) { --c: var(--b4-e); } .b4-item:nth-child(6) { --c: #cfe0d4; }

.b4-sum { background: var(--pm-brand); color: #fff; border: 2px solid var(--pm-ink); border-radius: 24px; padding: 24px 22px; box-shadow: 0 7px 0 var(--pm-ink); }
.b4-sum h3 { margin: 0 0 4px; font-size: 1.3rem; font-weight: 900; } .b4-sum .c { color: #bcd8c8; font-weight: 700; }
.b4-sum ul { list-style: none; margin: 14px 0; padding: 12px 0; border-block: 1px solid rgba(255,255,255,.25); display: grid; gap: 6px; font-weight: 700; font-size: .96rem; }
.b4-sum li { display: flex; gap: 10px; } .b4-sum li .pm-ico { color: var(--pm-cta); margin-top: .3em; }
.b4-price { display: flex; align-items: baseline; gap: 8px; line-height: 1; margin: 6px 0 4px; } .b4-price b { font-size: clamp(3.4rem, 14vw, 4.4rem); font-weight: 900; direction: ltr; } .b4-price span { font-weight: 800; font-size: 1.2rem; }
.b4-sum .pm-btn { margin-top: 14px; border-color: #fff; box-shadow: 0 4px 0 rgba(0,0,0,.4); } .b4-sum small { display: block; margin-top: 10px; color: #bcd8c8; text-align: center; }

.b4-flow { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 14px; counter-reset: b4f; }
.b4-flow li { counter-increment: b4f; position: relative; background: var(--pm-bg); border-radius: 18px; padding: 16px 18px 16px 18px; padding-inline-start: 68px; }
.b4-flow li::before { content: counter(b4f); position: absolute; inset-inline-start: 16px; top: 14px; width: 40px; height: 44px; border-radius: 999px 999px 8px 8px; background: var(--pm-brand); color: #fff; display: grid; place-items: end center; padding-bottom: 6px; font-weight: 900; }
.b4-flow h3 { margin: 0; font-size: 1.15rem; font-weight: 900; } .b4-flow p { margin: 0 0 6px; color: var(--pm-muted); }
.b4-flow .t { display: flex; flex-wrap: wrap; gap: 6px; } .b4-flow .t span { font-weight: 800; font-size: .8rem; border: 2px solid var(--pm-ink); background: #fff; border-radius: 8px; padding: 0 10px; line-height: 1.8; }
.b4-two { display: grid; gap: 14px; margin-top: 24px; }
.b4-two > div { border-radius: 20px; padding: 22px; border: 2px solid var(--pm-ink); background: #fff; } .b4-two h3 { margin: 0 0 8px; font-weight: 900; } .b4-two ul { margin: 0; padding-inline-start: 1.2em; } .b4-two li { line-height: 1.9; }
.b4-two .y { background: var(--b4-a); }
.b4-faq { display: grid; gap: 20px; }
.b4-final { background: var(--pm-brand); color: #fff; text-align: center; padding-block: 60px; } .b4-final h2 { margin: 0 auto; font-size: clamp(1.8rem, 6vw, 2.7rem); font-weight: 900; max-width: 15em; line-height: 1.3; } .b4-final p { color: #bcd8c8; margin: 12px auto 24px; max-width: 30em; } .b4-final .pm-btn { border-color: #fff; box-shadow: 0 4px 0 rgba(0,0,0,.4); }
.b4-foot { background: #0f1c16; color: #8fa89a; font-size: .9rem; padding-block: 22px; } .b4-foot p { margin: 0; }

@media (min-width: 768px) {
  .b4-sec { padding-block: 88px; }
  .b4-flow { grid-template-columns: repeat(4, 1fr); } .b4-flow li { padding: 70px 18px 18px; } .b4-flow li::before { inset-inline-start: 18px; top: 16px; }
  .b4-two { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 992px) {
  .b4-hero__grid { grid-template-columns: 1.05fr .95fr; gap: 56px; }
  .b4-layout { grid-template-columns: 1.5fr 1fr; gap: 36px; align-items: start; }
  .b4-sum { position: sticky; top: 24px; }
  .b4-faq { grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
}
@media (max-width: 991.98px) { .b4-sum { order: -1; } }