:root {
  --commerce-radius: 1.6rem;
  --commerce-radius-sm: 1rem;
  --commerce-line: color-mix(in srgb, var(--primary) 26%, var(--border));
  --commerce-glow: color-mix(in srgb, var(--primary) 16%, transparent);
  --commerce-gradient-blue: #075dbd;
  --commerce-gradient-violet: #59249a;
  --commerce-gradient-red: #a9124d;
}
.scroll-progress {
  position: fixed; z-index: 60; inset: 0 0 auto; height: 3px;
  background: transparent; pointer-events: none;
}
.scroll-progress span {
  display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--primary), var(--violet), var(--red));
  transform: scaleX(0); transform-origin: left center; will-change: transform;
}
.storefront-hero {
  position: relative; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: center; gap: clamp(2.5rem, 7vw, 6.5rem);
  min-height: min(860px, calc(100svh - 4.5rem)); isolation: isolate;
}
.storefront-hero::before {
  content: ""; position: absolute; z-index: -1; width: min(45rem, 72vw); aspect-ratio: 1;
  right: -20%; top: 5%; border-radius: 50%;
  background: radial-gradient(circle, var(--commerce-glow), transparent 68%); pointer-events: none;
}
.storefront-hero h1 {
  max-width: 860px; margin: 0; font-size: clamp(2.25rem, 4vw, 3.35rem);
  line-height: 1; letter-spacing: -0.045em;
}
.storefront-hero .hero-text { max-width: 660px; }
.storefront-hero .hero-stage { min-width: 0; }
.hero-stage-controls {
  position: relative; z-index: 5; display: flex; flex-wrap: wrap; justify-content: center;
  align-items: center; gap: 0.55rem; margin: 0 auto 0.85rem;
}
.hero-stage-tabs {
  display: flex; flex-wrap: wrap; gap: 0.45rem;
  width: max-content; max-width: 100%; margin: 0; padding: 0.35rem;
  background: color-mix(in srgb, var(--surface) 88%, transparent); border: 1px solid var(--border);
  border-radius: 999px; box-shadow: var(--shadow); backdrop-filter: blur(18px);
}
.hero-stage-tab {
  min-height: 2.55rem; padding: 0.55rem 0.9rem; color: var(--muted); background: transparent;
  border: 0; border-radius: 999px; cursor: pointer; font-weight: 700;
}
.hero-stage-tab:is(.is-active, [aria-selected="true"], [aria-pressed="true"]) {
  color: var(--primary-foreground);
  background: linear-gradient(115deg, var(--primary), color-mix(in srgb, var(--primary) 55%, var(--violet)));
}
.hero-pause {
  display: inline-flex; align-items: center; gap: 0.4rem; min-height: 2.55rem; padding: 0.55rem 0.8rem;
  color: var(--muted); background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  cursor: pointer; font-weight: 700;
}
.hero-pause:hover, .hero-pause:focus-visible { color: var(--foreground); border-color: var(--primary); }
.platform-ribbon {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; overflow: hidden;
  margin-block: 1rem; background: var(--border); border: 1px solid var(--border);
  border-radius: var(--commerce-radius); box-shadow: var(--shadow);
}
.platform-ribbon > * {
  display: grid; gap: 0.2rem; min-width: 0; padding: clamp(1rem, 2vw, 1.4rem); background: var(--surface);
}
.platform-ribbon strong { font-size: clamp(1.15rem, 2vw, 1.55rem); }
.platform-ribbon span { color: var(--muted); font-size: 0.78rem; }
.storefront-band {
  position: relative; overflow: hidden; padding: clamp(1.6rem, 4vw, 3.2rem);
  background: linear-gradient(125deg, color-mix(in srgb, var(--primary) 13%, var(--surface)), color-mix(in srgb, var(--violet) 11%, var(--surface)) 58%, color-mix(in srgb, var(--red) 8%, var(--surface)));
  border: 1px solid var(--commerce-line); border-radius: calc(var(--commerce-radius) + 0.4rem); box-shadow: var(--shadow);
}
.storefront-band > :first-child { margin-top: 0; }
.storefront-band > :last-child { margin-bottom: 0; }
.problem-grid, .cost-grid, .product-story-grid, .product-flow-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem;
}
.cost-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.problem-card, .cost-card, .story-card, .flow-card {
  position: relative; min-width: 0; padding: clamp(1.2rem, 2.6vw, 1.7rem);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--commerce-radius); box-shadow: var(--shadow);
}
.problem-card::before, .story-card::before, .flow-card::before {
  content: ""; display: block; width: 2.5rem; height: 0.22rem; margin-bottom: 1.2rem;
  background: linear-gradient(90deg, var(--primary), var(--violet), var(--red)); border-radius: 999px;
}
:is(.problem-card, .cost-card, .story-card, .flow-card) :is(h3, h4) { margin: 0 0 0.7rem; }
:is(.problem-card, .cost-card, .story-card, .flow-card) p { margin-bottom: 0; color: var(--muted); }
.journey-layout {
  display: grid; grid-template-columns: minmax(320px, 1.1fr) minmax(300px, 0.9fr);
  align-items: start; gap: clamp(2rem, 6vw, 5rem);
}
.journey-media {
  position: sticky; top: 6.25rem; overflow: hidden; min-width: 0; isolation: isolate;
  background: var(--surface); border: 1px solid var(--commerce-line);
  border-radius: calc(var(--commerce-radius) + 0.25rem); box-shadow: var(--shadow);
}
.journey-media img, .journey-media video { display: block; width: 100%; height: auto; }
.journey-media figcaption {
  position: relative; z-index: 3; padding: 0.75rem 1rem; color: var(--muted); background: var(--surface);
  border-top: 1px solid var(--border); font-size: 0.78rem;
}
.journey-media::after {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(135deg, hsla(205, 100%, 50%, 0.13), transparent 54%, hsla(268, 88%, 56%, 0.08));
  pointer-events: none;
}
.journey-steps { display: grid; gap: 1rem; }
.journey-step {
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding: 1.25rem;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border: 1px solid var(--border); border-radius: var(--commerce-radius-sm);
}
.journey-step.is-active { border-color: var(--primary); box-shadow: 0 16px 42px var(--commerce-glow); }
.journey-step :is(h3, h4, p) { margin-top: 0; }
.journey-step p { margin-bottom: 0; color: var(--muted); }
.journey-index {
  display: grid; place-items: center; width: 2.45rem; height: 2.45rem; color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary) 32%, var(--border)); border-radius: 50%; font-weight: 700;
}
.status-chip {
  display: inline-flex; align-items: center; gap: 0.4rem; width: max-content; max-width: 100%;
  padding: 0.4rem 0.7rem; color: var(--primary);
  background: color-mix(in srgb, var(--primary) 11%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary) 26%, var(--border));
  border-radius: 999px; font-size: 0.72rem; font-weight: 700;
}
.status-chip.status-ready { color: var(--success); background: color-mix(in srgb, var(--success) 12%, var(--surface)); border-color: color-mix(in srgb, var(--success) 28%, var(--border)); }
.commerce-showcase, .cost-explainer, .product-story { position: relative; isolation: isolate; }
.cost-explainer::before, .commerce-showcase::before {
  content: ""; position: absolute; z-index: -1; inset: 16% 6%;
  background: radial-gradient(circle, var(--commerce-glow), transparent 68%); pointer-events: none;
}
.scenario-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin: 1.5rem 0; padding: 0.55rem; background: var(--surface-soft);
  border: 1px solid var(--border); border-radius: 1.15rem;
}
.scenario-switch, .currency-switch { display: flex; flex-wrap: wrap; gap: 0.35rem; }
:is(.scenario-switch, .currency-switch) button {
  min-height: 2.65rem; padding: 0.55rem 0.85rem; color: var(--muted); background: transparent;
  border: 0; border-radius: 0.75rem; cursor: pointer; font-weight: 700;
}
:is(.scenario-switch, .currency-switch) button:is(.is-active, [aria-pressed="true"]) {
  color: var(--primary-foreground); background: var(--primary);
}
.cost-card { display: grid; align-content: start; gap: 0.75rem; }
.cost-card :is(strong, output) {
  color: var(--primary); font-size: clamp(1.35rem, 3vw, 2rem); font-variant-numeric: tabular-nums;
}
.cost-total {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0.35rem 1.5rem; grid-column: 1 / -1;
  padding: clamp(1.2rem, 3vw, 2rem); color: #fff;
  background: linear-gradient(115deg, var(--commerce-gradient-blue), var(--commerce-gradient-violet), var(--commerce-gradient-red));
  border-radius: var(--commerce-radius); box-shadow: var(--shadow);
}
.cost-total > :not(.button) { grid-column: 1; }
.cost-total .button { grid-column: 2; grid-row: 1 / 4; }
.cost-total :is(h3, p) { margin: 0; }
.cost-total strong {
  font-size: clamp(1.8rem, 5vw, 3.5rem); line-height: 1; font-variant-numeric: tabular-nums;
}
.adoption-timeline {
  position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem;
}
.adoption-timeline::before {
  content: ""; position: absolute; top: 1.55rem; left: 10%; right: 10%; height: 1px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--primary), var(--violet), var(--red));
}
.adoption-step { position: relative; z-index: 1; padding: 3.2rem 1rem 1rem; text-align: center; }
.adoption-step::before {
  content: ""; position: absolute; top: 1rem; left: 50%; width: 1.1rem; height: 1.1rem;
  background: var(--surface); border: 0.3rem solid var(--primary); border-radius: 50%; transform: translateX(-50%);
}
.adoption-step :is(h3, h4) { margin: 0 0 0.5rem; }
.adoption-step small { display: block; margin-bottom: 0.35rem; color: var(--muted); }
.adoption-step p { margin: 0; color: var(--muted); font-size: 0.84rem; }
.video-proof {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(1.5rem, 4vw, 3rem); align-items: center; padding: clamp(1.4rem, 4vw, 3rem);
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 10%, var(--surface)), var(--surface));
  border: 1px solid var(--border); border-radius: calc(var(--commerce-radius) + 0.4rem); box-shadow: var(--shadow);
}
.video-proof :is(video, iframe, img) { display: block; width: 100%; border: 0; border-radius: var(--commerce-radius-sm); }
.final-conversion {
  position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) auto;
  align-items: center; gap: 2rem; padding: clamp(2rem, 6vw, 5rem); color: #fff;
  background: linear-gradient(120deg, var(--commerce-gradient-blue), var(--commerce-gradient-violet) 58%, var(--commerce-gradient-red));
  border-radius: calc(var(--commerce-radius) + 0.6rem); box-shadow: var(--shadow);
}
.final-conversion :is(h2, h3) {
  max-width: 780px; margin: 0; font-size: clamp(2.2rem, 5vw, 4.5rem);
  line-height: 1; letter-spacing: -0.055em;
}
.final-conversion p { max-width: 680px; margin-bottom: 0; opacity: 0.94; }
.final-conversion .button { color: var(--foreground); background: var(--surface); border-color: transparent; }
.final-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.75rem; }
.product-story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.story-card { min-height: 12rem; }
.product-flow-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.flow-card { padding: 1.2rem; }
.product-proof-strip {
  display: flex; flex-wrap: wrap; align-items: stretch; gap: 1px; overflow: hidden;
  background: var(--border); border: 1px solid var(--border); border-radius: var(--commerce-radius-sm);
}
.product-proof-strip > * {
  flex: 1 1 12rem; min-width: 0; padding: 1rem 1.2rem; background: var(--surface);
}
.product-proof-strip strong { display: block; font-size: 1.15rem; }
.product-proof-strip span { color: var(--muted); font-size: 0.75rem; }