/* ============================================================
   Store design layer — studio / atelier (next design pass)
   ============================================================ */

/* nav elevate */
.nav {
  transition: background 0.35s, border-color 0.35s, backdrop-filter 0.35s;
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--void) 92%, transparent);
  box-shadow: 0 1px 0 var(--line);
}

/* ——— Home hero studio ——— */
.hero {
  min-height: 100svh;
  padding: calc(var(--nav-h) + 32px) 0 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse 70% 55% at 85% 15%, rgba(0,0,0,0.04), transparent 50%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(0,0,0,0.025), transparent 45%),
    var(--void);
}
.hero-main {
  flex: 1;
  display: grid;
  align-content: center;
  padding: 6vh 0 8vh;
  gap: 48px;
}
@media (min-width: 960px) {
  .hero-main {
    grid-template-columns: 1.15fr 0.95fr;
    align-items: end;
    gap: 40px 64px;
  }
}
.hero h1 {
  font-size: clamp(3.2rem, 9vw, 7.2rem);
  max-width: 11ch;
}
.hero-lead { max-width: 32ch; }

/* studio panel (right of hero) */
.hero-studio {
  border: 1px solid var(--line2);
  background: var(--ink);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.06);
}
.hero-studio-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}
.hero-studio-dots { display: flex; gap: 6px; }
.hero-studio-dots i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--line2); font-style: normal;
}
.hero-studio-body { padding: 0; }
.hero-studio-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  transition: background 0.2s;
}
.hero-studio-row:last-child { border-bottom: 0; }
.hero-studio-row:hover { background: var(--void); }
.hero-studio-row .sku {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--stone);
}
.hero-studio-row .nm {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.hero-studio-row .pr {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}
.hero-studio-foot {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  background: var(--void);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.hero-foot {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}
.hero-foot span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-foot span::before {
  content: "";
  width: 4px; height: 4px;
  background: var(--paper);
  opacity: 0.35;
}

/* trust strip */
.trust-strip {
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  padding: 14px 0;
  overflow: hidden;
}
.trust-track {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

/* index rows elevate */
.index-row {
  padding: 32px 12px;
}
.index-row .idx-name {
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
}
@media (min-width: 720px) {
  .index-row {
    grid-template-columns: 88px minmax(0, 1fr) auto;
  }
}

/* process elevate */
.process-step {
  transition: background 0.3s;
}
.process-step:hover {
  background: var(--ink);
}
.process-n {
  transition: -webkit-text-stroke-color 0.3s;
}

/* personas */
.persona {
  min-height: 260px;
  transition: background 0.35s, transform 0.35s var(--ease);
}
.persona:hover {
  transform: translateY(-2px);
}

/* finale = inverted band like blog CTA */
.finale {
  background: var(--paper);
  color: var(--void);
  border-top: none;
  padding: clamp(100px, 14vw, 160px) 0;
}
.finale h2 { color: var(--void); }
.finale h2 em { color: color-mix(in srgb, var(--void) 45%, transparent); }
.finale .sub { color: color-mix(in srgb, var(--void) 55%, transparent); }
.finale .fine { color: color-mix(in srgb, var(--void) 40%, transparent); }
.finale .btn {
  background: var(--void);
  color: var(--paper);
  border-color: var(--void);
  box-shadow:
    0 0 0 1px rgba(247, 245, 240, 0.2),
    0 14px 40px rgba(0, 0, 0, 0.35);
}
.finale .btn::before {
  background: radial-gradient(circle at 30% 40%, rgba(247, 245, 240, 0.35), transparent 55%);
}
.finale .btn:hover {
  background: #fff;
  color: var(--paper);
  border-color: #fff;
  transform: scale(1.03);
}
.finale .btn-ghost {
  background: rgba(247, 245, 240, 0.06);
  color: var(--void);
  border-color: rgba(247, 245, 240, 0.32);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: none;
}
.finale .btn-ghost:hover {
  background: rgba(247, 245, 240, 0.12);
  border-color: rgba(247, 245, 240, 0.7);
  color: var(--void);
}
.finale::before { display: none; }

/* ——— Pack studio ——— */
.pack-hero {
  padding: calc(var(--nav-h) + 48px) 0 0;
  border-bottom: 0;
  background: var(--ink);
}
.pack-hero-grid {
  display: grid;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 960px) {
  .pack-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px 56px;
    align-items: end;
    padding-bottom: 64px;
  }
}
.pack-hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  max-width: 12ch;
}
.pack-hero .lead { max-width: 34ch; }
.pack-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pack-hero-stats div {
  background: var(--void);
  padding: 18px 16px;
}
.pack-hero-stats dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 6px;
}
.pack-hero-stats dd {
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}
.pack-risk {
  margin-top: 20px;
  font-size: 13px;
  font-weight: 300;
  color: var(--stone);
  max-width: 36ch;
  line-height: 1.5;
}

.pack-layout {
  padding-top: clamp(48px, 7vw, 80px);
}
.pack-body h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.pack-body h2::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--line2);
  flex-shrink: 0;
  margin-top: 0.55em;
}

/* buy panel elevate */
.buy-panel {
  box-shadow: 0 20px 60px rgba(0,0,0,0.05);
}
.buy-panel::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--paper);
  margin: -32px -28px 24px;
}

/* packs index */
.packs-hero {
  padding: calc(var(--nav-h) + 56px) 0 40px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}
.packs-hero-grid {
  display: grid;
  gap: 24px;
}
@media (min-width: 800px) {
  .packs-hero-grid {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}
.packs-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 12px 0 0;
}
.packs-count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  text-align: right;
}
.packs-count strong {
  display: block;
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 400;
  color: var(--paper);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}

/* SEO rail — collapsible on all, quieter */
.seo-rail {
  border-top: 1px solid var(--line);
  background: var(--ink);
  padding: 0;
}
.seo-rail details {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin: 0 auto;
  padding: 20px 0 24px;
}
.seo-rail summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.seo-rail summary::-webkit-details-marker { display: none; }
.seo-rail summary::after { content: "+"; font-size: 14px; }
.seo-rail details[open] summary::after { content: "−"; }
.seo-rail details[open] summary { margin-bottom: 18px; }
.seo-rail-inner { padding-top: 4px; }
.seo-rail-kws {
  color: var(--stone);
  font-weight: 300;
  font-size: 11px;
  line-height: 1.7;
  margin-bottom: 22px;
  max-width: 90ch;
}

/* floating WA — softer */
.wa-fab {
  width: 52px;
  height: 52px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.12);
}

/* sample on pack — more terminal */
.sample {
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}
.file-tree {
  font-size: 12.5px;
}

/* proof strip on pack */
.pack-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}
.pack-proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pack-proof span::before {
  content: "✓";
  color: var(--paper);
  font-size: 11px;
}
.mkt-city-arrow::after { content: '\2192'; font-family: var(--mono); color: var(--stone); }
.mkt-city-arrow { font-size: 0; }
.mkt-city-arrow::after { font-size: 14px; }