.hero {
  min-height: 94svh;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.9fr);
  align-items: end;
  gap: clamp(var(--s-7), 7vw, var(--s-10));
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-product-preview {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  justify-self: end;
  align-self: center;
}

.product-preview-shell {
  border: 1px solid var(--hairline);
  border-radius: 22px;
  background: color-mix(in oklch, var(--bone) 80%, var(--parchment));
  box-shadow: 0 34px 100px oklch(20% 0.02 30 / 0.12);
  overflow: hidden;
}

.product-preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--hairline-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.product-preview-body {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: var(--s-4);
  padding: var(--s-5);
}

.preview-profile {
  min-height: 360px;
  padding: var(--s-5);
  border-radius: 16px;
  background: var(--parchment);
  border: 1px solid var(--hairline-soft);
}

.preview-profile-label,
.preview-panel-label,
.research-source {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.preview-profile-name {
  margin: var(--s-4) 0 var(--s-5);
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1;
  font-style: italic;
  font-weight: 300;
  color: var(--ink);
  font-variation-settings: "SOFT" 80, "opsz" 72;
}

.preview-bars {
  display: grid;
  gap: var(--s-3);
  margin-bottom: var(--s-6);
}

.preview-bar {
  display: grid;
  gap: 6px;
}

.preview-bar span {
  display: flex;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
}

.preview-bar i {
  display: block;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--claret) 0 calc(var(--value, 55) * 1%), var(--hairline-soft) 0);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--ink) 6%, transparent);
}

.preview-routine {
  display: grid;
  gap: var(--s-2);
}

.preview-routine-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--hairline-soft);
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
}

.preview-routine-row strong {
  color: var(--claret);
  font-weight: 600;
}

.preview-side {
  display: grid;
  gap: var(--s-4);
}

.preview-panel {
  border: 1px solid var(--hairline-soft);
  border-radius: 16px;
  background: var(--bone);
  padding: var(--s-4);
}

.preview-day-list {
  display: grid;
  gap: 7px;
  margin-top: var(--s-3);
}

.preview-day {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
}

.preview-day span:first-child {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 9px;
  color: var(--claret);
}

.preview-day.is-current span:first-child {
  background: var(--ink);
  color: var(--parchment);
  border-color: var(--ink);
}

.preview-chapter-lines {
  display: grid;
  gap: 9px;
  margin-top: var(--s-4);
}

.preview-chapter-lines span {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: var(--hairline-soft);
}

.preview-chapter-lines span:nth-child(1) { width: 92%; }
.preview-chapter-lines span:nth-child(2) { width: 64%; }
.preview-chapter-lines span:nth-child(3) { width: 82%; background: color-mix(in oklch, var(--claret) 20%, var(--hairline-soft)); }
.preview-chapter-lines span:nth-child(4) { width: 46%; }

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-4);
  margin-top: var(--s-6);
  max-width: 760px;
}

.proof-pill {
  border-top: 1px solid var(--hairline);
  padding-top: var(--s-3);
}

.proof-pill strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1;
}

.proof-pill span {
  display: block;
  margin-top: 7px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.35;
}

.research-shell {
  max-width: 980px;
}

.research-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin: var(--s-7) 0 var(--s-5);
}

.research-tab {
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 18px;
  cursor: pointer;
}

.research-tab.is-active {
  background: color-mix(in oklch, var(--sage) 22%, var(--bone));
  border-color: color-mix(in oklch, var(--sage) 42%, var(--hairline));
  color: var(--ink);
}

.research-panel {
  display: none;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--bone);
  overflow: hidden;
}

.research-panel.is-active {
  display: block;
}

.research-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.7fr) minmax(0, 1.2fr) minmax(180px, 0.8fr);
  gap: var(--s-5);
  padding: var(--s-5);
  border-bottom: 1px solid var(--hairline-soft);
  align-items: start;
}

.research-row:last-child {
  border-bottom: 0;
}

.research-concept {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.15;
  color: var(--ink);
  font-weight: 400;
  font-variation-settings: "opsz" 32;
}

.research-translation {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.product-proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-5);
}

.product-proof-card {
  min-height: 360px;
  border: 1px solid var(--hairline);
  border-radius: 18px;
  background: var(--bone);
  overflow: hidden;
}

.product-proof-visual {
  min-height: 230px;
  padding: var(--s-5);
  background: color-mix(in oklch, var(--parchment-deep) 70%, var(--bone));
  border-bottom: 1px solid var(--hairline-soft);
}

.product-proof-copy {
  padding: var(--s-5);
}

.product-proof-copy h3 {
  margin-bottom: var(--s-2);
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.15;
  font-variation-settings: "SOFT" 50, "opsz" 32;
}

.product-proof-copy p {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.mini-profile {
  display: grid;
  gap: var(--s-3);
}

.mini-profile h4 {
  font-family: var(--serif);
  font-size: 28px;
  font-style: italic;
  font-weight: 300;
  color: var(--ink);
  line-height: 1;
}

.mini-kv {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: var(--s-2);
  padding-top: var(--s-2);
  border-top: 1px solid var(--hairline-soft);
  font-family: var(--sans);
  font-size: 12px;
}

.mini-kv span:first-child {
  color: var(--ink-mute);
}

.mini-kv span:last-child {
  color: var(--ink);
}

.mini-reset {
  display: grid;
  gap: var(--s-2);
}

.mini-reset-row {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--s-3);
  align-items: center;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
}

.mini-reset-row span:first-child {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--claret);
  background: var(--bone);
  border: 1px solid var(--hairline);
}

.mini-reset-row.is-current span:first-child {
  background: var(--claret);
  border-color: var(--claret);
  color: var(--parchment);
}

.mini-reader {
  display: grid;
  gap: var(--s-3);
}

.mini-reader-title {
  font-family: var(--serif);
  font-size: 23px;
  color: var(--ink);
  line-height: 1.1;
}

.mini-reader-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  background: var(--parchment);
}

.mini-reader-line {
  height: 8px;
  border-radius: 999px;
  background: var(--hairline-soft);
}

.mini-reader-line:nth-child(3) { width: 78%; }
.mini-reader-line:nth-child(4) { width: 92%; }
.mini-reader-line:nth-child(5) { width: 64%; }

.mini-callout {
  margin-top: var(--s-4);
  padding: var(--s-4);
  border-radius: 12px;
  background: color-mix(in oklch, var(--blush) 60%, var(--bone));
  border: 1px solid color-mix(in oklch, var(--claret) 18%, var(--hairline));
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.45;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .hero-product-preview {
    justify-self: stretch;
    max-width: none;
  }

  .product-proof-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .product-preview-body,
  .research-row {
    grid-template-columns: 1fr;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .hero-product-preview {
    display: none;
  }

  .research-tab {
    width: 100%;
  }
}