:root {
  --bg: #f2efe7;
  --bg-1: #ebe7dc;
  --bg-2: #e0dbcc;
  --bg-3: #d4cdb9;
  --fg: #14130f;
  --fg-1: #2a2823;
  --fg-2: #5e5a50;
  --fg-3: #8a8478;
  --fg-4: #b5afa2;
  --signal: #c84926;
  --signal-dim: #8c2e1f;
  --signal-glow: rgba(200, 73, 38, 0.14);
  --line: rgba(20, 19, 15, 0.1);
  --line-2: rgba(20, 19, 15, 0.18);
  --line-3: rgba(20, 19, 15, 0.32);
  --on-signal: #faf6eb;
  --stage-bg: #e5e0d2;
  --display: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-features: "cv11" 1, "ss01" 1, "tnum" 1;

  /* Type scale — fluid, per F-TYP. Display is tightly tracked, mono is wide. */
  --fs-hero: clamp(60px, 10.5vw, 168px);
  --fs-h1: clamp(40px, 5.2vw, 72px);
  --fs-h2: clamp(30px, 3.6vw, 48px);
  --fs-line: clamp(28px, 3.4vw, 48px);
  --fs-coda: clamp(22px, 2.4vw, 32px);
  --fs-lead: clamp(19px, 1.6vw, 23px);

  --tr-hero: -0.052em;
  --tr-h1: -0.042em;
  --tr-h2: -0.03em;
  --tr-line: -0.035em;
  --tr-body: -0.01em;
  --tr-meta: 0.18em;
  --tr-eyebrow: 0.22em;
  --tr-label: 0.16em;
  --tr-micro: 0.2em;

  --w-semibold: 600;
  --lh-tight: 0.9;
  --lh-snug: 1.04;
  --lh-body: 1.5;

  --radius-sm: 2px;
  --grid-cell: 120px;
  --edge-inset: 28px;
  --maxw: 1320px;
  --gutter: clamp(24px, 6vw, 96px);

  /* Motion — F-DSY §10. Deceleration, never bouncy. */
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 200ms;
  --dur-ui: 240ms;
  --dur-reveal: 720ms;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--fg);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  font-feature-settings: var(--font-features);
}

body.modal-open {
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 12px;
  z-index: 100;
  transform: translateY(calc(-100% - 8px));
  background: var(--fg);
  color: var(--on-signal);
  padding: 10px 14px;
  border: 1px solid var(--line-3);
}

.skip-link:focus {
  transform: translateY(8px);
}

[data-fabrica-surface]::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-position: 50% 0;
  background-size: var(--grid-cell) var(--grid-cell);
  mask-image: radial-gradient(ellipse 90% 75% at 50% 30%, black 20%, transparent 88%);
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 50% 30%, black 20%, transparent 88%);
  opacity: 0.7;
}

[data-fabrica-surface]::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(900px 700px at 100% -5%, var(--signal-glow), transparent 70%);
}

[data-fabrica-surface] > :not(.skip-link):not(.corner):not(dialog) {
  position: relative;
  z-index: 1;
}

.page-grain {
  display: none;
}

.corner {
  position: fixed;
  z-index: 20;
  width: 24px;
  height: 24px;
  pointer-events: none;
}

.corner::before,
.corner::after {
  content: "";
  position: absolute;
  background: var(--fg-3);
  opacity: 1;
}

.corner::before {
  width: 24px;
  height: 1px;
}

.corner::after {
  width: 1px;
  height: 24px;
}

.corner-tl {
  top: 18px;
  left: 18px;
}

.corner-tr {
  top: 18px;
  right: 18px;
  transform: rotate(90deg);
}

.corner-br {
  right: 18px;
  bottom: 18px;
  transform: rotate(180deg);
}

.corner-bl {
  bottom: 18px;
  left: 18px;
  transform: rotate(270deg);
}

.site-header,
.site-footer,
main > section {
  padding-right: var(--gutter);
  padding-left: var(--gutter);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.brand-mark {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  color: var(--fg);
  text-decoration: none;
}

.brand-mark span:first-child {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1;
}

.brand-period {
  color: var(--signal);
}

.brand-rule {
  width: 100%;
  height: 1px;
  background: var(--signal);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
}

.nav-actions a {
  text-decoration: none;
}

.nav-actions a:hover {
  color: var(--signal);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid var(--line-3);
  border-radius: var(--radius-sm);
  padding: 0 18px;
  background: transparent;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.button:hover,
.button:focus-visible {
  border-color: var(--fg);
  outline: none;
}

.button-primary {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--on-signal);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--signal-dim);
  border-color: var(--signal-dim);
}

.button-secondary {
  background: var(--bg-1);
}

.button-quiet {
  min-height: 36px;
  padding: 0 12px;
  border-color: var(--line);
}

.button-inverse {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--on-signal);
}

.button-inverse:hover,
.button-inverse:focus-visible {
  border-color: var(--signal-dim);
  background: var(--signal-dim);
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: clamp(20px, 3vw, 40px);
  min-height: calc(100vh - 76px);
  overflow: hidden;
  padding-top: clamp(48px, 6vh, 72px);
  padding-bottom: clamp(28px, 4vh, 44px);
}

.hero::after {
  content: "";
  position: absolute;
  right: var(--gutter);
  bottom: 0;
  left: var(--gutter);
  height: 1px;
  background: var(--line);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-lower {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero-copy-col {
  max-width: 540px;
}

.measure-rule {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 620px;
  margin-top: 14px;
}

.measure-rule-line {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--signal);
  opacity: 0.6;
}

.measure-rule-line::before {
  content: "";
  position: absolute;
  top: -3px;
  width: 1px;
  height: 7px;
  background: var(--signal);
}

.measure-rule-line:first-child::before {
  left: 0;
}

.measure-rule-line:last-child::before {
  right: 0;
}

.measure-rule-label {
  flex: none;
  color: var(--fg-2);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  white-space: nowrap;
}

.eyebrow,
.section-index,
.section-code,
.section-meta {
  margin: 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
}

.eyebrow {
  letter-spacing: var(--tr-eyebrow);
}

.section-code,
.section-meta {
  color: var(--fg-2);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: var(--w-semibold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tr-h2);
}

h1 {
  max-width: 14ch;
  margin-top: 24px;
  font-size: var(--fs-h1);
  letter-spacing: var(--tr-h1);
}

.hero h1 {
  max-width: 15ch;
  margin-top: 14px;
  font-size: clamp(38px, 4.6vw, 66px);
  letter-spacing: var(--tr-hero);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: clamp(28px, 2.2vw, 34px);
  letter-spacing: var(--tr-h2);
}

h1 em,
h2 em,
h3 em {
  color: var(--signal);
  font-family: var(--display);
  font-style: normal;
  font-weight: inherit;
  letter-spacing: inherit;
}

.hero-lede {
  max-width: 620px;
  margin: 18px 0 0;
  font-size: 1.15rem;
  line-height: 1.45;
}

.hero-copy {
  max-width: 670px;
  margin-top: 16px;
  color: var(--fg-1);
  font-size: 1rem;
  line-height: 1.5;
}

.hero-copy p,
.section-intro,
.pillar p,
.membership-panel p,
.atelier-body p,
.closing-section p {
  margin: 0;
}

.hero-copy p + p {
  margin-top: 12px;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.meta-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  color: var(--fg-2);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: var(--tr-meta);
  text-transform: uppercase;
}

.meta-strip span:nth-child(2) {
  text-align: center;
}

.meta-strip span:last-child {
  text-align: right;
}

.hero-meta {
  position: absolute;
  top: 28px;
  right: var(--gutter);
  left: var(--gutter);
}

.model-section,
.interest-section,
.closing-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 104px;
  padding-bottom: 104px;
}

.section-head {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 200px;
  gap: 32px;
  align-items: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.section-head > div {
  display: grid;
  gap: 8px;
}

.section-meta {
  justify-self: end;
  text-align: right;
}

.section-intro {
  max-width: 670px;
  margin-top: 34px;
  color: var(--fg-1);
  font-size: 1.1rem;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.pillar,
.membership-panel {
  min-height: 292px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-1);
  padding: 28px;
}

.pillar-number {
  display: inline-flex;
  margin-bottom: 36px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 2rem;
  font-style: normal;
}

.pillar h3 {
  font-size: 1.35rem;
  line-height: 1.12;
}

.pillar p {
  margin-top: 18px;
  color: var(--fg-2);
  font-size: 0.94rem;
}

.launch-band {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: center;
  margin: 0;
  padding-top: 92px;
  padding-bottom: 92px;
  overflow: hidden;
  border-top: 1px solid rgba(200, 73, 38, 0.7);
  border-bottom: 1px solid rgba(200, 73, 38, 0.35);
  background: var(--bg-1);
  color: var(--fg);
}

.launch-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 320px at 78% 50%, var(--signal-glow), transparent 68%),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: auto, 48px 48px;
  pointer-events: none;
}

.launch-copy,
.countdown {
  position: relative;
  z-index: 1;
}

.launch-copy .eyebrow {
  color: var(--signal);
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
}

.countdown div {
  min-height: 150px;
  padding: 26px 22px;
  border-right: 1px solid var(--line);
}

.countdown div:last-child {
  border-right: 0;
}

.countdown strong {
  display: block;
  font-family: var(--display);
  font-size: 3.6rem;
  line-height: 1;
}

.countdown span {
  display: block;
  margin-top: 14px;
  color: var(--fg-2);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
}

.membership-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.membership-panel {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.membership-panel h3 {
  margin-top: 30px;
  font-size: 3rem;
  text-transform: uppercase;
}

.membership-panel p:not(.eyebrow):not(.price) {
  max-width: 520px;
  margin-top: 22px;
  color: var(--fg-2);
  font-size: 1rem;
}

.membership-panel .price,
.atelier-body .price {
  margin-top: auto;
  padding-top: 34px;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
}

.membership-panel .button {
  margin-top: 18px;
}

.atelier-section {
  margin: 0;
  padding-top: 0;
  padding-bottom: 0;
  background: transparent;
}

.atelier-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 64px;
  align-items: start;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 96px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.atelier-copy .eyebrow {
  margin-bottom: 24px;
}

.atelier-body {
  color: var(--fg-1);
  font-size: 1.08rem;
}

.atelier-body .button {
  margin-top: 24px;
}

.closing-section {
  text-align: center;
}

.closing-section .section-index {
  margin-bottom: 22px;
}

.closing-section h2 {
  max-width: 860px;
  margin: 0 auto;
}

.closing-section p {
  margin-top: 24px;
  color: var(--fg-2);
  font-size: 1.08rem;
}

.closing-actions {
  justify-content: center;
}

.site-footer {
  padding-top: 26px;
  padding-bottom: 26px;
  border-top: 1px solid var(--line);
}

.modal {
  width: min(760px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  border: 0;
  padding: 0;
  overflow: visible;
  background: transparent;
  color: var(--fg);
}

.modal::backdrop {
  background: rgba(20, 19, 15, 0.55);
  backdrop-filter: blur(4px);
}

.modal-shell {
  position: relative;
  max-height: calc(100dvh - 32px);
  overflow: auto;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--bg-1);
}

.modal-form {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 36px;
}

.modal-form h2 {
  font-size: 2.9rem;
}

.modal-close {
  position: sticky;
  top: 14px;
  left: calc(100% - 54px);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-1);
}

.modal-close span,
.modal-close span::after {
  position: absolute;
  width: 16px;
  height: 1px;
  background: var(--fg);
  content: "";
}

.modal-close span {
  transform: rotate(45deg);
}

.modal-close span::after {
  transform: rotate(90deg);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.full-span {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 8px;
}

label span,
legend {
  color: var(--fg-1);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
}

label b {
  color: var(--signal);
}

input,
textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line-2);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  padding: 12px 0;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-bottom-color: var(--signal);
  outline: none;
}

fieldset {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px;
}

legend {
  padding: 0 8px;
}

.choice,
.choice-grid {
  min-width: 0;
}

.choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--fg-1);
}

.choice + .choice {
  margin-top: 12px;
}

.choice input {
  width: 16px;
  min-width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--signal);
}

.choice span {
  font-family: var(--sans);
  font-size: 0.92rem;
  line-height: 1.35;
  text-transform: none;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.choice-grid .choice + .choice {
  margin-top: 0;
}

.peptide-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  color: var(--signal);
  font-size: 0.9rem;
}

.motion-confirmation {
  position: absolute;
  top: 92px;
  right: 36px;
  display: grid;
  place-items: center;
  width: var(--motion-width, 76px);
  height: var(--motion-height, 76px);
  overflow: hidden;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease), visibility var(--dur-fast) var(--ease);
}

.motion-confirmation[data-motion-visible="false"] {
  visibility: hidden;
  opacity: 0;
}

.motion-confirmation[data-motion-visible="true"] {
  visibility: visible;
  opacity: 1;
}

.fabrica-lottie-canvas,
.fabrica-lottie-fallback {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
}

.fabrica-lottie-canvas svg,
.fabrica-lottie-fallback {
  display: block;
  width: 100%;
  height: 100%;
}

.fabrica-lottie-canvas {
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
}

.motion-confirmation.is-loaded .fabrica-lottie-canvas {
  opacity: 1;
}

.motion-confirmation.is-loaded .fabrica-lottie-fallback[hidden] {
  display: none;
}

.hidden-field {
  display: none;
}

/* ── Digital Twin instrument · F-CAP-001 ───────────────────────── */

.twin-instrument {
  margin: 0 0 0 auto;
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--bg-1);
  padding: 16px 20px 14px;
}

.twin-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
}

.twin-id {
  color: var(--fg-2);
}

.twin-readout {
  position: relative;
  min-width: 218px;
  height: 1.1em;
  line-height: 1.1;
  color: var(--fg-3);
}

.twin-state {
  position: absolute;
  top: 0;
  right: 0;
  white-space: nowrap;
  transition: opacity 320ms var(--ease);
}

.twin-state--drift {
  opacity: 0;
  color: var(--signal);
}

.twin-plot {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.twin-axis {
  stroke: var(--line-3);
  stroke-width: 1;
}

.twin-grid {
  stroke: var(--line);
  stroke-width: 1;
}

.twin-now {
  stroke: var(--fg-3);
  stroke-width: 1;
  stroke-dasharray: 2 4;
}

.twin-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.twin-line--past {
  stroke: var(--fg-2);
  stroke-width: 1.5;
}

.twin-line--drift {
  stroke: var(--fg-3);
  stroke-width: 1.5;
}

.twin-line--engineered {
  stroke: var(--signal);
  stroke-width: 2;
}

.twin-gap {
  fill: var(--signal-glow);
  opacity: 0;
}

.twin-target {
  fill: var(--signal);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.twin-pos {
  fill: var(--signal);
  opacity: 0;
}

.twin-flash {
  stroke: var(--signal);
  transition: opacity 240ms var(--ease);
}

.twin-text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--fg-3);
  opacity: 0;
}

.twin-text--north {
  fill: var(--signal);
}

.twin-text--now {
  fill: var(--fg-2);
}

/* draw sequence — fires when the instrument enters view */
.twin-instrument.is-drawn .twin-line--past {
  transition: stroke-dashoffset 620ms var(--ease-out-expo);
  stroke-dashoffset: 0;
}

.twin-instrument.is-drawn .twin-line--drift {
  transition: stroke-dashoffset 920ms var(--ease-out-expo) 540ms;
  stroke-dashoffset: 0;
}

.twin-instrument.is-drawn .twin-line--engineered {
  transition: stroke-dashoffset 1120ms var(--ease-out-expo) 540ms;
  stroke-dashoffset: 0;
}

.twin-instrument.is-drawn .twin-gap {
  transition: opacity 760ms var(--ease) 1240ms;
  opacity: 1;
}

.twin-instrument.is-drawn .twin-target {
  opacity: 1;
  animation: twin-beacon 1600ms var(--ease) 1000ms 3 both;
}

.twin-instrument.is-drawn .twin-pos {
  opacity: 1;
  transition: opacity 360ms var(--ease) 900ms;
}

.twin-instrument.is-drawn .twin-text {
  transition: opacity 600ms var(--ease) 1320ms;
  opacity: 1;
}

@keyframes twin-beacon {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.25);
    opacity: 0.55;
  }
}

/* ── Entrance reveals (scoped to JS so no-JS shows everything) ──── */

.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  will-change: opacity, transform;
}

.has-js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  transition: opacity var(--dur-reveal) var(--ease-out-expo),
    transform var(--dur-reveal) var(--ease-out-expo);
}

@media (max-width: 1120px) {
  .section-head {
    grid-template-columns: 160px minmax(0, 1fr);
  }

  .section-meta {
    grid-column: 1 / -1;
    justify-self: start;
    text-align: left;
  }

  .pillar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 840px) {
  .site-header {
    position: static;
    align-items: flex-start;
    min-height: auto;
    padding-top: 24px;
    padding-bottom: 18px;
  }

  .nav-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px 16px;
    max-width: 220px;
  }

  .nav-actions .button {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 98px;
    padding-bottom: 70px;
  }

  .hero-meta {
    top: 24px;
  }

  .meta-strip {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .meta-strip span,
  .meta-strip span:nth-child(2),
  .meta-strip span:last-child {
    text-align: left;
  }

  .hero-content {
    max-width: 100%;
  }

  .modal-form h2 {
    font-size: 2.55rem;
  }

  .hero-lede {
    font-size: 1.08rem;
  }

  .hero-lower,
  .section-head,
  .launch-band,
  .membership-grid,
  .atelier-inner {
    grid-template-columns: 1fr;
  }

  .twin-instrument {
    margin: 0;
    max-width: none;
  }

  .model-section,
  .interest-section,
  .closing-section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .pillar-grid,
  .countdown,
  .choice-grid,
  .peptide-grid {
    grid-template-columns: 1fr;
  }

  .countdown div {
    min-height: 112px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .countdown div:last-child {
    border-bottom: 0;
  }

  .atelier-inner {
    gap: 28px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .corner {
    display: none;
  }

  .site-header {
    gap: 16px;
  }

  .brand-mark span:first-child {
    font-size: 1.18rem;
  }

  .nav-actions {
    max-width: 170px;
  }

  .hero-actions,
  .closing-actions,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .pillar,
  .membership-panel {
    padding: 22px;
  }

  .membership-panel h3 {
    font-size: 2.35rem;
  }

  .launch-band {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .modal {
    width: calc(100% - 18px);
    max-height: calc(100dvh - 18px);
  }

  .modal-shell {
    max-height: calc(100dvh - 18px);
  }

  .modal-form {
    padding: 28px 18px 24px;
  }

  .motion-confirmation {
    top: 30px;
    right: 18px;
    width: 60px;
    height: 60px;
  }

  .modal-close {
    top: 10px;
    left: calc(100% - 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}