/* Hallmark · genre: modern-minimal · macrostructure: Split live demonstration + application catalogue
 * design-system: design.md · designed-as-app · theme: Kerfloom paper/ink/laser
 * pre-emit critique: P5 H4 E4 S5 R5 V4
 * Existing routes, workflow, and production geometry preserved.
 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

button,
select,
input {
  color: inherit;
  font: inherit;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
dl,
dd,
ul,
fieldset {
  margin: 0;
}

button,
a,
select,
input[type="range"] {
  -webkit-tap-highlight-color: var(--color-transparent);
}

:focus-visible {
  outline: 0.1875rem solid var(--color-focus);
  outline-offset: 0.1875rem;
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-toast);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  font-weight: 600;
  opacity: 0;
  transform: translateY(-150%);
}

.skip-link:focus {
  opacity: 1;
  transform: none;
}

.site-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  width: min(100%, 106rem);
  margin-inline: auto;
  padding: var(--space-md) max(var(--space-md), env(safe-area-inset-left));
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-sm);
  width: fit-content;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.brand__mark {
  width: 1.75rem;
  height: 1.75rem;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--color-preview-geometry);
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 4;
}

.site-rail__descriptor {
  display: none;
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}

.site-rail__action {
  justify-self: end;
}

.text-link {
  display: inline-block;
  min-height: 2.75rem;
  padding-block: var(--space-sm);
  color: var(--color-ink);
  font-weight: 600;
  line-height: 1.35;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 0.125rem;
  text-underline-offset: var(--space-3xs);
  white-space: nowrap;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: var(--rule-thin) solid var(--color-ink);
  border-radius: var(--radius-control);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.button:active {
  transform: translateY(1px);
}

.text-link:active,
.brand:active {
  color: var(--color-accent);
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.52;
  cursor: not-allowed;
}

.button--primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.button--primary:focus-visible {
  outline-color: var(--color-paper);
  box-shadow: 0 0 0 var(--space-2xs) var(--color-ink);
}

.button--quiet {
  background: var(--color-paper);
  color: var(--color-ink);
}

.button--ink {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-paper);
}

.hero {
  display: grid;
  min-height: clamp(42rem, 82dvh, 58rem);
  width: min(100%, 106rem);
  margin-inline: auto;
  padding: clamp(2.5rem, 8vw, 5.5rem) max(var(--space-md), env(safe-area-inset-left)) clamp(4rem, 11vw, 8rem);
}

.hero__copy {
  min-width: 0;
  align-self: center;
}

.cut-sheet__job,
.dimension,
.inspection__metrics dd {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.hero__kicker {
  max-width: 34rem;
  margin-block-end: var(--space-md);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.015em;
}

h1,
h2,
h3 {
  min-width: 0;
  font-family: var(--font-display);
  font-style: normal;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 11.5vw, 5.25rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.93;
}

.hero__lede {
  max-width: 58ch;
  margin-block-start: var(--space-lg);
  color: var(--color-ink-2);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-lg);
  margin-block-start: var(--space-xl);
}

.hero__access {
  margin-block-start: var(--space-md);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.cut-sheet {
  min-width: 0;
  align-self: center;
  margin-block-start: var(--space-2xl);
  border-block: var(--rule-thin) solid var(--color-rule-strong);
  background: var(--color-paper-2);
}

.cut-sheet__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-md) var(--space-sm);
}

.cut-sheet__heading h2 {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.cut-sheet__heading p:not(.cut-sheet__job) {
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.cut-sheet__job {
  color: var(--color-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.sandbox-controls {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.pattern-switcher {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs);
  padding: 0;
  border: 0;
}

.pattern-switcher legend {
  padding: 0;
  margin-block-end: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.pattern-switcher label {
  position: relative;
  min-width: 0;
  cursor: pointer;
}

.pattern-switcher input {
  position: absolute;
  opacity: 0;
}

.pattern-switcher span {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  padding: var(--space-sm);
  background: var(--color-paper);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.pattern-switcher input:checked + span {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-paper);
}

.pattern-switcher input:focus-visible + span {
  outline: 0.1875rem solid var(--color-focus);
  outline-offset: 0.125rem;
}

.pattern-switcher input:disabled + span {
  opacity: 0.52;
  cursor: not-allowed;
}

.pattern-switcher label:active span {
  transform: translateY(1px);
}

.sandbox-controls__row {
  display: grid;
  gap: var(--space-sm);
  margin-block-start: var(--space-md);
}

.field {
  display: grid;
  min-width: 0;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.field > span {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
}

.field output {
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.field select {
  width: 100%;
  min-height: 2.75rem;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  padding-inline: var(--space-sm) 2rem;
  background-color: var(--color-paper);
  color: var(--color-ink);
  outline: 0.125rem solid var(--color-transparent);
}

.field select:focus-visible {
  outline-color: var(--color-focus);
  outline-offset: 0.125rem;
}

.field select:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.field select:active {
  background-color: var(--color-paper-2);
}

.field input[type="range"] {
  width: 100%;
  min-height: 2.75rem;
  margin: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.field input[type="range"]:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.field input[type="range"]:active {
  accent-color: var(--color-focus);
}

.sheet-frame {
  position: relative;
  display: grid;
  min-height: 19rem;
  place-items: center;
  margin: var(--space-md) var(--space-md) var(--space-xl);
  padding: var(--space-xl) var(--space-lg) var(--space-lg) var(--space-xl);
  border: var(--rule-thin) solid var(--color-rule-strong);
  background: var(--color-paper);
  overflow: hidden;
}

.sheet-frame::before,
.sheet-frame::after {
  content: "";
  position: absolute;
  z-index: var(--z-base);
  background: var(--color-rule);
  pointer-events: none;
}

.sheet-frame::before {
  inset-block-start: var(--space-sm);
  inset-inline: var(--space-xl);
  height: var(--rule-thin);
}

.sheet-frame::after {
  inset-block: var(--space-xl);
  inset-inline-start: var(--space-sm);
  width: var(--rule-thin);
}

.dimension {
  position: absolute;
  z-index: var(--z-raised);
  padding-inline: var(--space-xs);
  background: var(--color-paper);
  color: var(--color-muted);
  font-size: 0.62rem;
  line-height: 1.4;
}

.dimension--width {
  inset-block-start: 0.45rem;
  inset-inline-start: 50%;
  transform: translateX(-50%);
}

.dimension--height {
  inset-block-start: 50%;
  inset-inline-start: -1.4rem;
  transform: rotate(-90deg) translateY(-50%);
}

.sheet-output {
  width: min(100%, 34rem);
  aspect-ratio: 3 / 2;
  opacity: 1;
  transform: none;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}

.sheet-output.is-updating {
  opacity: 0.28;
  transform: scale(0.995);
}

.sheet-output svg {
  display: block;
  width: 100%;
  height: 100%;
}

.sheet-output svg path,
.sheet-output svg circle,
.sheet-output svg polygon,
.sheet-output svg polyline,
.sheet-output svg rect,
.sheet-output svg line {
  stroke: var(--color-preview-geometry) !important;
  vector-effect: non-scaling-stroke;
}

.sheet-output[data-validation-state="invalid"] svg path,
.sheet-output[data-validation-state="invalid"] svg circle,
.sheet-output[data-validation-state="invalid"] svg polygon,
.sheet-output[data-validation-state="invalid"] svg polyline,
.sheet-output[data-validation-state="invalid"] svg rect,
.sheet-output[data-validation-state="invalid"] svg line {
  stroke: var(--color-preview-invalid) !important;
  vector-effect: non-scaling-stroke;
}

.sheet-loading {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: var(--z-raised);
  width: max-content;
  max-width: calc(100% - 2rem);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: var(--text-xs);
  transform: translate(-50%, -50%);
}

.sheet-frame:not([aria-busy="true"]) .sheet-loading {
  display: none;
}

.inspection {
  display: grid;
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.inspection__state {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
}

.inspection__signal {
  width: 0.7rem;
  height: 0.7rem;
  flex: 0 0 auto;
  border: 0.125rem solid currentColor;
  border-radius: 50%;
}

.inspection__state[data-state="loading"] {
  color: var(--color-muted);
}

.inspection__state[data-state="ready"] {
  color: var(--color-success);
}

.inspection__state[data-state="attention"],
.inspection__state[data-state="error"] {
  color: var(--color-error);
}

.inspection__state[data-state="ready"] .inspection__signal {
  background: var(--color-success);
}

.inspection__state[data-state="attention"] .inspection__signal,
.inspection__state[data-state="error"] .inspection__signal {
  border-radius: 0;
  transform: rotate(45deg);
}

.inspection__state strong,
.inspection__state span {
  display: block;
}

.inspection__state strong {
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.inspection__state div > span {
  margin-block-start: var(--space-3xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.inspection__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.inspection__metrics div {
  min-width: 0;
  padding: var(--space-sm) var(--space-md);
  border-inline-end: var(--rule-thin) solid var(--color-rule);
}

.inspection__metrics div:last-child {
  border-inline-end: 0;
}

.inspection__metrics dt {
  color: var(--color-muted);
  font-size: 0.65rem;
  font-weight: 600;
}

.inspection__metrics dd {
  margin-block-start: var(--space-3xs);
  color: var(--color-ink);
  font-size: clamp(0.68rem, 2.7vw, var(--text-sm));
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.method {
  width: min(100%, 106rem);
  margin-inline: auto;
  padding: clamp(4rem, 10vw, 8rem) max(var(--space-md), env(safe-area-inset-left));
  border-block-start: var(--rule-thin) solid var(--color-rule-strong);
}

.method__statement h2,
.catalogue__heading h2,
.closing h2 {
  max-width: 15ch;
  font-size: clamp(2.2rem, 7vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.method__statement > p,
.catalogue__heading > p {
  max-width: 62ch;
  margin-block-start: var(--space-lg);
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.method__checks {
  margin-block-start: var(--space-2xl);
  border-block-start: var(--rule-thin) solid var(--color-ink);
}

.method__checks article {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xs);
  padding-block: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.method__checks h3 {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.method__checks article > p:last-child {
  max-width: 62ch;
  color: var(--color-muted);
}

.catalogue {
  width: min(100%, 106rem);
  margin-inline: auto;
  padding: clamp(3rem, 8vw, 6rem) max(var(--space-md), env(safe-area-inset-left)) clamp(5rem, 11vw, 9rem);
  background: var(--color-paper-2);
  color: var(--color-ink);
}

.pattern-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-block: var(--space-2xl);
  padding: 0;
  border-block-start: var(--rule-thin) solid var(--color-ink);
  list-style: none;
}

.pattern-index li {
  min-width: 0;
  padding: var(--space-md) var(--space-xs) var(--space-md) 0;
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.pattern-index span,
.pattern-index small {
  display: block;
}

.pattern-index span {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.pattern-index small {
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.closing {
  display: grid;
  justify-items: start;
  width: min(100%, 106rem);
  margin-inline: auto;
  padding: clamp(4rem, 10vw, 8rem) max(var(--space-md), env(safe-area-inset-left)) clamp(5rem, 12vw, 10rem);
  background: var(--color-ink);
  color: var(--color-paper);
}

.closing > p:first-child {
  color: var(--color-rule);
  font-size: var(--text-xs);
}

.closing h2 {
  margin-block: var(--space-lg) var(--space-xl);
}

.closing__note {
  max-width: 62ch;
  margin-block-start: var(--space-md);
  color: var(--color-rule);
  font-size: var(--text-sm);
}

.site-footer {
  display: grid;
  gap: var(--space-sm);
  width: min(100%, 106rem);
  margin-inline: auto;
  padding: var(--space-xl) max(var(--space-md), env(safe-area-inset-left)) max(var(--space-xl), env(safe-area-inset-bottom));
  border-block-start: var(--rule-thin) solid var(--color-rule-strong);
}

.site-footer p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.site-footer__legal { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); }
.site-footer__legal a { display: inline-flex; align-items: center; min-height: 2.75rem; color: var(--color-ink); font-weight: 600; white-space: nowrap; }
.footer-privacy { width: max-content; min-height: 2.75rem; border: 0; padding: var(--space-sm) 0; color: var(--color-ink); background: transparent; font-weight: 600; text-decoration: underline; text-decoration-color: var(--color-accent); text-underline-offset: var(--space-3xs); cursor: pointer; }

.reveal {
  opacity: 0;
  transform: translateY(0.5rem);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 80ms);
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (hover: hover) and (pointer: fine) {
  .button:not(:disabled):hover {
    transform: translateY(-1px);
  }

  .button--primary:hover {
    background: var(--color-ink);
    border-color: var(--color-ink);
  }

  .button--quiet:hover {
    background: var(--color-paper-3);
  }

  .button--ink:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-accent-ink);
  }

  .text-link:hover {
    color: var(--color-accent);
  }

  .pattern-switcher label:hover span {
    background: var(--color-paper-3);
  }

  .pattern-switcher label:hover input:checked + span {
    background: var(--color-ink-2);
  }

  .field select:hover {
    background-color: var(--color-paper-2);
  }
}

@media (min-width: 40rem) {
  .site-rail {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    padding-inline: clamp(1.5rem, 4vw, 4rem);
  }

  .site-rail__descriptor {
    display: block;
  }

  .hero,
  .method,
  .catalogue,
  .closing,
  .site-footer {
    padding-inline: clamp(1.5rem, 4vw, 4rem);
  }

  .pattern-switcher {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .cut-sheet__heading {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-lg);
  }

  .sandbox-controls__row {
    grid-template-columns: minmax(10rem, 1.2fr) minmax(10rem, 1fr) auto;
    align-items: end;
  }

  .sheet-frame {
    min-height: 27rem;
    margin-inline: var(--space-xl);
  }

  .pattern-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
  }

  .site-footer p {
    text-align: center;
  }
}

@media (min-width: 64rem) {
  .hero {
    grid-template-columns: minmax(18rem, 0.72fr) minmax(34rem, 1.28fr);
    gap: clamp(2.5rem, 5vw, 6rem);
    align-items: start;
  }

  .hero__copy,
  .cut-sheet {
    align-self: start;
    margin-block-start: 0;
  }

  .method {
    display: grid;
    grid-template-columns: minmax(20rem, 0.75fr) minmax(30rem, 1.25fr);
    gap: clamp(3rem, 8vw, 9rem);
  }

  .method__checks {
    margin-block-start: 0;
  }

  .catalogue {
    display: grid;
    grid-template-columns: minmax(18rem, 0.68fr) minmax(30rem, 1.32fr);
    gap: clamp(3rem, 7vw, 8rem);
    align-items: end;
  }

  .catalogue .pattern-index {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-block: 0;
  }

  .catalogue > .button {
    width: fit-content;
  }
}

@media (min-width: 90rem) {
  h1 {
    font-size: 5.25rem;
  }

  .sheet-frame {
    min-height: 31rem;
  }
}

@media (min-width: 64rem) and (max-height: 60rem) {
  .hero {
    min-height: auto;
    padding-block-start: var(--space-xl);
    padding-block-end: var(--space-2xl);
  }

  h1 {
    font-size: clamp(3rem, 4.6vw, 4.5rem);
  }

  .hero__lede {
    margin-block-start: var(--space-md);
    font-size: 1.05rem;
  }

  .hero__actions {
    margin-block-start: var(--space-lg);
  }

  .cut-sheet__heading {
    padding-block-start: var(--space-sm);
  }

  .sandbox-controls {
    padding-block-start: var(--space-xs);
    padding-block-end: var(--space-sm);
  }

  .sandbox-controls__row {
    margin-block-start: var(--space-sm);
  }

  .sheet-frame {
    min-height: 22rem;
    margin-block-end: var(--space-lg);
  }
}

@media (pointer: coarse) {
  .button,
  .text-link,
  .pattern-switcher span,
  .field select {
    min-height: 3rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .sheet-output.is-updating {
    transform: none;
  }
}

.privacy-notice { position: fixed; z-index: var(--z-toast); inset: auto var(--space-lg) var(--space-lg) auto; width: min(36rem, calc(100% - 2 * var(--space-lg))); display: grid; grid-template-columns: 1fr auto; gap: var(--space-lg); padding: var(--space-lg); border: var(--rule-thin) solid var(--color-rule-strong); background: var(--color-paper); box-shadow: var(--shadow-whisper); }
.privacy-notice p { margin: var(--space-xs) 0 0; color: var(--color-muted); }
.privacy-notice > div:last-child { display: grid; gap: var(--space-xs); }
.privacy-dialog { width: min(40rem, calc(100% - 2 * var(--space-lg))); border: var(--rule-thin) solid var(--color-rule-strong); border-radius: var(--radius-panel); padding: var(--space-lg); color: var(--color-ink); background: var(--color-paper); }
.privacy-dialog::backdrop { background: var(--color-overlay); }
.privacy-dialog__heading { display: flex; justify-content: space-between; gap: var(--space-lg); }
.privacy-dialog__heading h2 { margin: 0; font: 800 var(--text-xl)/1 var(--font-display); }
.privacy-dialog__heading p { color: var(--color-muted); }
.privacy-dialog form { display: grid; gap: var(--space-lg); margin-top: var(--space-lg); }
.privacy-dialog label { display: flex; gap: var(--space-sm); }
.privacy-dialog label input { width: 1.25rem; height: 1.25rem; flex: 0 0 auto; }
.privacy-dialog label span { display: grid; gap: var(--space-2xs); }
.privacy-dialog small { color: var(--color-muted); }
.privacy-dialog form > div { display: flex; gap: var(--space-sm); }

@media (max-width: 40rem) {
  .privacy-notice { inset: auto var(--space-sm) var(--space-sm); width: auto; grid-template-columns: 1fr; padding: var(--space-md); }
  .privacy-notice > div:last-child { grid-template-columns: 1fr; }
  .privacy-notice .button { width: 100%; min-width: 0; white-space: normal; }
}

/* Hallmark · design-system: design.md · designed-as-app
 * Split live demonstration + application catalogue · P5 H4 E4 S5 R5 V4 */
h1 { max-width: 15ch; font-size: clamp(2.75rem, 5.2vw, 4.75rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1.04; }
.method__statement h2, .catalogue__heading h2, .closing h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; letter-spacing: -0.035em; line-height: 1.08; }
.hero__lede { font-size: var(--text-md); line-height: 1.6; }
.hero__kicker { color: var(--color-muted); }
.hero { min-height: 0; padding-block: var(--space-2xl); }
.button { font-weight: 600; }
.method { padding-block: var(--space-2xl); }
.method__checks h3, .pattern-index span { font-weight: 700; }
.cut-sheet { border-color: var(--color-rule); }
.sheet-frame { background: var(--color-canvas); border-color: var(--color-rule); }
.sheet-output .landing-material path { fill: var(--color-material-light); stroke: var(--color-material-stroke); stroke-width: 0.25; }
.sheet-output .landing-material { filter: var(--shadow-material); }
.sheet-output svg g[data-operation="cut"] path { opacity: 0.55; }
.application-preview { min-width: 0; margin: var(--space-lg) 0 0; }
.application-preview img { display: block; width: 100%; height: auto; border-radius: var(--radius-panel); }
.application-preview figcaption { margin-block-start: var(--space-sm); color: var(--color-muted); font-size: var(--text-sm); line-height: 1.5; }
.pattern-index { margin-block: var(--space-lg); }
.pattern-index span { font-size: var(--text-base); }
.closing { padding-block: var(--space-2xl); }
.privacy-notice {
  width: min(28rem, calc(100% - 2 * var(--space-lg))); max-height: 65dvh; overflow-y: auto;
  grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); padding: var(--space-md);
  border-color: var(--color-rule); border-radius: var(--radius-panel); background: var(--color-canvas);
}
.privacy-notice p { font-size: var(--text-sm); line-height: 1.45; margin-block-start: var(--space-2xs); }
.consent-details summary { padding-block: var(--space-xs); color: var(--color-muted); font-size: var(--text-sm); cursor: pointer; }
.consent-details summary:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.consent-details summary:active { color: var(--color-ink); }
.privacy-notice > div:last-child { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.privacy-notice .button { white-space: nowrap; }
.privacy-notice .button--action { background: var(--color-ink); color: var(--color-paper); border-color: var(--color-ink); }
@media (max-width: 59.99rem) { .privacy-notice { width: auto; } }
@media (min-width: 60rem) {
  .catalogue { column-gap: var(--space-2xl); row-gap: var(--space-lg); align-items: start; }
  .catalogue__heading { grid-column: 1; grid-row: 1; }
  .application-preview { grid-column: 2; grid-row: 1; margin: 0; }
  .catalogue .pattern-index { grid-column: 2; grid-row: 2; }
  .catalogue > .button { grid-column: 1; grid-row: 2; }
}
.sheet-output svg .landing-material path { stroke: var(--color-material-stroke) !important; }
.sheet-output[data-material-finish="neutral"] svg .landing-material path { fill: var(--color-paper-3); stroke: var(--color-rule-strong) !important; }

/* Actual pattern specimens: precision geometry, without simulated materials or perspective. */
.pattern-specimens { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.pattern-specimens figure { min-width: 0; margin: 0; }
.pattern-specimens img { background: var(--color-canvas); border-radius: 0; }
.pattern-specimens figcaption { display: grid; gap: var(--space-2xs); margin-block-start: var(--space-sm); }
.pattern-specimens strong { color: var(--color-ink); font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; }
.pattern-specimens span { color: var(--color-muted); font-size: var(--text-xs); }
.specimen-caption { margin-block-start: var(--space-lg); color: var(--color-muted); font-size: var(--text-sm); }
@media (max-width: 39.99rem) {
  .pattern-specimens { grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
  .pattern-specimens figure { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: var(--space-md); }
  .pattern-specimens figcaption { margin: 0; }
}

/* One browsable catalogue; each sample opens its pattern in Studio. */
.catalogue { display: block; }
.catalogue__heading { max-width: 48rem; }
.catalogue__heading h2 { max-width: 24ch; }
.pattern-catalogue { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl) var(--space-md); margin: var(--space-xl) 0 0; padding: 0; list-style: none; }
.pattern-catalogue li { min-width: 0; }
.pattern-sample { display: grid; gap: var(--space-2xs); color: var(--color-ink); text-decoration: none; min-width: 0; }
.pattern-sample img { display: block; width: 100%; height: auto; background: var(--color-canvas); margin-block-end: var(--space-sm); }
.pattern-sample__name { font-family: var(--font-display); font-size: var(--text-md); font-weight: 700; }
.pattern-sample__description { color: var(--color-muted); font-size: var(--text-sm); }
.pattern-sample__action { display: flex; align-items: center; justify-content: space-between; min-height: 2.75rem; margin-block-start: var(--space-xs); border-block-start: var(--rule-thin) solid var(--color-rule); font-size: var(--text-sm); font-weight: 600; white-space: nowrap; }
.pattern-sample:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 4px; }
.pattern-sample:hover .pattern-sample__action { color: var(--color-accent); border-color: var(--color-accent); }
.pattern-sample:active { opacity: .72; }
@media (min-width: 40rem) { .pattern-catalogue { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xl) var(--space-lg); } }
@media (min-width: 70rem) { .pattern-catalogue { grid-template-columns: repeat(5, minmax(0, 1fr)); } }

/* A concrete editable workflow demonstrates the product's value. */
.workflow-example { padding: var(--space-2xl) var(--space-xl); border-block-start: var(--rule-thin) solid var(--color-rule); }
.studio-demo { display: grid; gap: var(--space-xl); padding: var(--space-2xl) var(--space-xl); border-block-start: var(--rule-thin) solid var(--color-rule); }
.studio-demo__intro { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: var(--space-md) var(--space-xl); }
.studio-demo__intro > div { max-width: 65ch; }
.studio-demo__intro h2 { font: 700 clamp(2rem, 4vw, 3.5rem)/1.08 var(--font-display); letter-spacing: -0.035em; overflow-wrap: anywhere; }
.studio-demo__intro p { margin-block-start: var(--space-sm); color: var(--color-muted); }
.studio-demo__figure { margin: 0; min-width: 0; }
.studio-demo video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: var(--rule-thin) solid var(--color-rule-strong); background: var(--color-graphite); }
.studio-demo figcaption { max-width: 65ch; margin-block-start: var(--space-sm); color: var(--color-muted); font-size: var(--text-sm); }
.workflow-example > div { max-width: 48rem; }
.workflow-example ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xl); padding-inline-start: var(--space-lg); margin-block: var(--space-xl); }
.workflow-example li { padding-inline-start: var(--space-xs); }
.workflow-example li p { color: var(--color-muted); }
@media (max-width: 48rem) { .workflow-example ol { grid-template-columns: minmax(0, 1fr); gap: var(--space-md); } .workflow-example { padding-inline: var(--space-lg); } }
@media (max-width: 48rem) { .studio-demo { padding-inline: var(--space-lg); } }