:root {
  --font-display: "Gmarket Sans", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  --font-text: "Gmarket Sans", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  --font-mono: "Gmarket Sans", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  --section-space: 112px;
  --radius-panel: 12px;
  --radius-paper: 4px;
  --motion-reveal: 520ms;
  --motion-ease-out: cubic-bezier(0.2, 0, 0, 1);
}

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

.page-shell {
  padding-block-end: var(--space-12);
}

#main-content {
  min-width: 0;
}

html.reveal-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition-property: opacity, transform, background-color, box-shadow;
  transition-duration: var(--motion-reveal), var(--motion-reveal), var(--motion-standard), var(--motion-standard);
  transition-timing-function: var(--motion-ease-out), var(--motion-ease-out), ease-out, ease-out;
  transition-delay: var(--reveal-delay, 0ms), var(--reveal-delay, 0ms), 0ms, 0ms;
}

html.reveal-enabled [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.landing-hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
}

.landing-hero .hero-copy {
  grid-column: 1 / span 6;
  grid-row: 1;
  align-self: center;
  padding: var(--space-16) var(--space-12) var(--space-16) var(--space-2);
}

.landing-hero .hero-copy h1 {
  max-width: none;
  font-size: 3.75rem;
  letter-spacing: -0.06em;
  line-height: 1.03;
}

.landing-hero .hero-copy h1 span {
  display: block;
  white-space: nowrap;
}

.landing-hero .hero-copy p {
  max-width: 29rem;
}

.landing-hero .action-link {
  border-radius: var(--radius-panel);
}

.landing-hero .receipt-media {
  grid-column: 7 / span 6;
  grid-row: 1;
  min-height: 0;
  height: 680px;
  border-radius: var(--radius-media);
}

.proof-band {
  margin-top: var(--space-4);
  border-block: 1px solid var(--border-subtle);
}

.proof-band ul {
  min-height: 88px;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.proof-band li {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.proof-band li + li {
  border-inline-start: 1px solid var(--border-subtle);
}

.story-section {
  padding-block: var(--section-space);
}

.section-intro {
  min-width: 0;
}

.section-intro h2 {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.08;
  text-wrap: balance;
  word-break: keep-all;
}

.section-intro p {
  max-width: 31rem;
  margin: var(--space-6) 0 0;
  color: var(--text-secondary);
  font-size: var(--type-body);
  letter-spacing: -0.018em;
  line-height: 1.65;
  text-wrap: pretty;
  word-break: keep-all;
}

.process-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
}

.process-section .section-intro {
  grid-column: 1 / span 4;
  padding-inline: var(--space-2) var(--space-10);
}

.process-guide {
  position: relative;
  min-height: 300px;
  margin: var(--space-8) 0 0;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.process-guide img {
  width: 210px;
  height: auto;
  margin-inline-start: auto;
  display: block;
}

.process-guide figcaption {
  position: absolute;
  inset: auto auto var(--space-4) 0;
  max-width: 15rem;
  padding: var(--space-4) var(--space-5);
  border-inline-start: 3px solid var(--accent-primary);
  background: rgba(245, 245, 247, 0.9);
  color: var(--text-secondary);
  font-size: var(--type-label);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.55;
}

.process-sheet {
  position: relative;
  grid-column: 5 / -1;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-paper);
  background: var(--surface-paper);
  box-shadow: 0 20px 48px rgba(19, 35, 31, 0.055);
}

.process-sheet::before {
  height: 5px;
  display: block;
  background: var(--accent-primary);
  content: "";
}

.process-row {
  min-height: 132px;
  padding: var(--space-6) var(--space-10);
  display: grid;
  grid-template-columns: 56px minmax(130px, 0.36fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
  transition-property: background-color, box-shadow;
  transition-duration: var(--motion-standard);
  transition-timing-function: ease-out;
}

.process-row + .process-row {
  border-top: 1px solid var(--border-subtle);
}

.process-index {
  padding-top: 6px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}

.process-row h3 {
  margin: 0;
  color: var(--accent-primary);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.process-row p {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.0625rem;
  letter-spacing: -0.018em;
  line-height: 1.62;
  text-wrap: pretty;
  word-break: keep-all;
}

.process-row div > span {
  margin-top: var(--space-4);
  display: block;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  font-weight: 300;
  line-height: 1.5;
}

.evidence-section {
  padding-top: 0;
}

.section-intro-wide {
  margin-bottom: var(--space-12);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-12);
  align-items: end;
}

.section-intro-wide p {
  margin: 0;
  justify-self: end;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
}

.product-shot {
  min-width: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border: 0;
  border-radius: var(--radius-panel);
  background: transparent;
  text-align: start;
  cursor: zoom-in;
}

.shot-viewport {
  min-height: 0;
  aspect-ratio: 1320 / 2868;
  display: block;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-panel);
  background: var(--surface-paper);
  box-shadow: inset 0 0 0 1px var(--border-subtle);
  transform-origin: center bottom;
  transition-property: transform, box-shadow;
  transition-duration: var(--motion-standard);
  transition-timing-function: var(--motion-ease-out);
}

.product-shot:focus-visible {
  border-radius: var(--radius-panel);
}

.shot-viewport img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  outline: 1px solid rgba(0, 0, 0, 0.1);
  outline-offset: -1px;
}

.shot-caption {
  min-height: 72px;
  padding: var(--space-3) var(--space-1) 0;
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--text-tertiary);
  font-size: var(--type-label);
  letter-spacing: -0.015em;
  line-height: 1.45;
  border-radius: 0 0 var(--radius-panel) var(--radius-panel);
  transition-property: background-color, transform;
  transition-duration: var(--motion-standard);
  transition-timing-function: var(--motion-ease-out);
}

.product-shot:active .shot-viewport {
  transform: scale(0.96);
}

.shot-caption strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
}

.shot-caption small {
  margin-top: var(--space-1);
  display: block;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 300;
  line-height: 1.45;
}

.shot-caption > span:last-child {
  flex: 0 0 auto;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  font-weight: 400;
}

.trust-ledger {
  padding: 64px 72px;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-16);
  border-radius: var(--radius-panel);
  background: var(--surface-mint);
}

.trust-heading {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  align-items: end;
  gap: var(--space-4);
}

.trust-heading img {
  width: 170px;
  height: auto;
  margin-bottom: calc(var(--space-6) * -1);
  display: block;
}

.trust-ledger h2 {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 3.25rem;
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.08;
  text-wrap: balance;
  word-break: keep-all;
}

.trust-ledger ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-ledger li {
  padding-block: var(--space-5);
  display: grid;
  grid-template-columns: minmax(150px, 0.55fr) minmax(0, 1fr);
  gap: var(--space-6);
  border-top: 1px solid var(--accent-sage);
  transition-property: background-color, box-shadow;
  transition-duration: var(--motion-standard);
  transition-timing-function: ease-out;
}

.trust-ledger li:last-child {
  border-bottom: 1px solid var(--accent-sage);
}

.trust-ledger strong {
  color: var(--accent-primary);
  font-size: var(--type-body);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.5;
}

.trust-ledger li span {
  color: var(--text-secondary);
  font-size: var(--type-body);
  letter-spacing: -0.018em;
  line-height: 1.6;
  text-wrap: pretty;
  word-break: keep-all;
}

.faq-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
}

.faq-section .section-intro {
  grid-column: 1 / span 4;
  padding-inline: var(--space-2) var(--space-10);
}

.faq-list {
  grid-column: 5 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--space-10);
  align-content: start;
}

.faq-list details {
  border-top: 1px solid var(--border-subtle);
  transition-property: background-color, box-shadow;
  transition-duration: var(--motion-standard);
  transition-timing-function: ease-out;
}

.faq-list details:nth-last-child(-n + 2) {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-list summary {
  min-height: 84px;
  padding-block: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--text-primary);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.45;
  list-style: none;
  cursor: pointer;
  word-break: keep-all;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary svg {
  width: var(--space-5);
  height: var(--space-5);
  flex: 0 0 auto;
  fill: none;
  stroke: var(--accent-primary);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--motion-micro) ease-out;
}

.faq-list details[open] summary svg {
  transform: rotate(180deg);
}

.faq-list details p {
  margin: 0;
  padding: 0 var(--space-10) var(--space-6) 0;
  color: var(--text-secondary);
  font-size: var(--type-body);
  letter-spacing: -0.018em;
  line-height: 1.65;
  text-wrap: pretty;
  word-break: keep-all;
}

.closing-receipt {
  min-height: 200px;
  margin-bottom: var(--space-12);
  padding: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-paper);
  background: var(--surface-paper);
  box-shadow: 0 18px 48px rgba(19, 35, 31, 0.05);
}

.closing-receipt h2 {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.closing-receipt p {
  margin: var(--space-3) 0 0;
  color: var(--accent-primary);
  font-size: var(--type-lead);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.closing-receipt > span {
  color: var(--text-tertiary);
  font-size: var(--type-label);
  font-weight: 600;
}

.site-footer {
  padding-block: var(--space-8);
  display: flex;
  justify-content: space-between;
  gap: var(--space-12);
  border-top: 1px solid var(--border-subtle);
}

.site-footer p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: var(--type-micro);
  font-weight: 300;
  line-height: 1.65;
}

.site-footer p:last-child {
  text-align: end;
}

.site-footer nav {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: var(--space-6);
}

.site-footer a {
  min-height: var(--control-hit);
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  font-size: var(--type-label);
  font-weight: 400;
  text-underline-offset: 0.25em;
}

.site-footer a:hover {
  color: var(--accent-primary);
}

.image-dialog {
  width: min(720px, calc(100vw - 48px));
  max-height: calc(100dvh - 48px);
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-panel);
  background: var(--surface-paper);
  color: var(--text-primary);
  box-shadow: 0 24px 80px rgba(19, 35, 31, 0.24);
}

.image-dialog::backdrop {
  background: rgba(19, 35, 31, 0.66);
}

.dialog-bar {
  position: sticky;
  z-index: 1;
  top: 0;
  min-height: 64px;
  padding-inline: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-paper);
}

.dialog-bar p {
  margin: 0;
  font-size: var(--type-label);
  font-weight: 600;
}

.dialog-close {
  min-width: var(--control-hit);
  min-height: var(--control-hit);
  padding-inline: var(--space-4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-panel);
  background: var(--surface-primary);
  color: var(--accent-primary);
  font-size: var(--type-label);
  font-weight: 600;
  cursor: pointer;
  transition-property: scale, background-color, box-shadow;
  transition-duration: var(--motion-micro);
  transition-timing-function: ease-out;
}

.dialog-close:active {
  scale: 0.96;
}

.dialog-scroll {
  max-height: calc(100dvh - 112px);
  overflow: auto;
  overscroll-behavior: contain;
}

.dialog-scroll img {
  width: 100%;
  height: auto;
  display: block;
}

@media (hover: hover) and (pointer: fine) {
  .process-row:hover {
    background-color: rgba(231, 240, 234, 0.52);
    box-shadow: inset 3px 0 0 var(--accent-sage);
  }

  .product-shot:hover .shot-viewport {
    transform: translateY(-6px) scale(1.018);
    box-shadow: inset 0 0 0 1px var(--accent-sage), 0 18px 42px rgba(19, 35, 31, 0.1);
  }

  .product-shot:hover .shot-caption {
    background-color: rgba(231, 240, 234, 0.72);
    transform: translateY(-2px);
  }

  .trust-ledger li:hover {
    background-color: rgba(255, 255, 255, 0.44);
    box-shadow: inset 3px 0 0 rgba(14, 73, 60, 0.22);
  }

  .faq-list details:hover {
    background-color: rgba(255, 255, 255, 0.7);
    box-shadow: inset 3px 0 0 var(--accent-sage);
  }

  .dialog-close:hover {
    background-color: var(--surface-mint);
    box-shadow: 0 0 0 1px rgba(14, 73, 60, 0.08), 0 4px 12px rgba(19, 35, 31, 0.06);
  }
}

@media (max-width: 1320px) {
  .landing-hero .hero-copy h1 {
    font-size: 3.5rem;
  }

  .landing-hero .hero-copy {
    padding-inline-end: var(--space-8);
  }

  .trust-ledger {
    padding: var(--space-16);
  }

}

@media (max-width: 1040px) {
  :root {
    --section-space: 96px;
  }

  .landing-hero {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-hero .hero-copy,
  .landing-hero .receipt-media {
    grid-column: 1;
    grid-row: auto;
  }

  .landing-hero .hero-copy {
    min-height: 440px;
    padding: var(--space-16) var(--space-8);
  }

  .landing-hero .hero-copy h1 {
    font-size: var(--type-display-tablet);
  }

  .landing-hero .receipt-media {
    width: 100%;
    height: 760px;
  }

  .process-section,
  .faq-section {
    grid-template-columns: minmax(0, 1fr);
    row-gap: var(--space-12);
  }

  .process-section .section-intro,
  .process-sheet,
  .faq-section .section-intro,
  .faq-list {
    grid-column: 1;
  }

  .process-section .section-intro,
  .faq-section .section-intro {
    padding-inline: 0;
  }

  .section-intro h2 {
    font-size: 2.75rem;
  }

  .process-section .section-intro p,
  .faq-section .section-intro p {
    max-width: 36rem;
  }

  .product-gallery {
    margin-inline: calc(var(--space-6) * -1);
    padding: 0 var(--space-6) var(--space-5);
    grid-template-columns: repeat(5, 250px);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline proximity;
    scrollbar-width: thin;
  }

  .product-shot {
    scroll-snap-align: start;
  }

  .trust-ledger {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-10);
  }

  .trust-ledger h2 br {
    display: none;
  }

  .trust-heading {
    grid-template-columns: minmax(0, 1fr) 150px;
  }

  .trust-heading img {
    width: 150px;
  }
}

@media (max-width: 760px) {
  :root {
    --section-space: 76px;
  }

  .landing-hero .hero-copy {
    min-height: 400px;
    padding: var(--space-12) var(--space-3) var(--space-16);
  }

  .landing-hero .hero-copy h1 {
    font-size: var(--type-display-mobile);
  }

  .landing-hero .hero-copy h1 span {
    white-space: normal;
  }

  .landing-hero .hero-copy p {
    margin-top: var(--space-6);
    font-size: var(--type-body);
  }

  .landing-hero .action-link {
    margin-top: var(--space-6);
  }

  .landing-hero .receipt-media {
    height: auto;
    border-radius: 24px;
  }

  .proof-band {
    margin-top: var(--space-6);
  }

  .proof-band ul {
    min-height: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-band li {
    min-height: 56px;
    justify-content: flex-start;
    padding-inline: var(--space-3);
    font-size: var(--type-label);
  }

  .proof-band li + li {
    border-inline-start: 1px solid var(--border-subtle);
  }

  .proof-band li:nth-child(n + 3) {
    border-top: 1px solid var(--border-subtle);
  }

  .proof-band li:nth-child(3) {
    border-inline-start: 0;
  }

  .section-intro h2 {
    font-size: 2.25rem;
  }

  .process-row {
    min-height: 0;
    padding: var(--space-8) var(--space-6);
    grid-template-columns: 40px minmax(0, 1fr);
    grid-template-areas:
      "index title"
      ". body";
    gap: var(--space-3) var(--space-4);
  }

  .process-guide {
    min-height: 230px;
    margin-top: var(--space-6);
  }

  .process-guide img {
    width: 160px;
  }

  .process-guide figcaption {
    max-width: 13rem;
    padding: var(--space-3) var(--space-4);
    font-size: var(--type-label);
  }

  .process-index {
    grid-area: index;
  }

  .process-row h3 {
    grid-area: title;
    font-size: 1.5rem;
  }

  .process-row div {
    grid-area: body;
  }

  .section-intro-wide {
    margin-bottom: var(--space-8);
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-5);
  }

  .section-intro-wide p {
    margin: 0;
    justify-self: start;
  }

  .product-gallery {
    margin-inline: calc(var(--space-4) * -1);
    padding-inline: var(--space-4);
    grid-template-columns: repeat(5, min(72vw, 280px));
  }

  .shot-caption {
    min-height: 72px;
    padding-top: var(--space-3);
  }

  .trust-ledger {
    padding: var(--space-10) var(--space-6);
  }

  .trust-ledger h2 {
    font-size: 2.25rem;
  }

  .trust-heading {
    grid-template-columns: minmax(0, 1fr) 112px;
  }

  .trust-heading img {
    width: 112px;
    margin-bottom: 0;
  }

  .trust-ledger li {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }

  .faq-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .faq-list details:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .faq-list details:last-child {
    border-bottom: 1px solid var(--border-subtle);
  }

  .closing-receipt {
    min-height: 220px;
    padding: var(--space-8) var(--space-6);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-8);
  }

  .closing-receipt h2 {
    font-size: 2rem;
  }

  .site-footer {
    flex-direction: column;
    gap: var(--space-5);
  }

  .site-footer p:last-child {
    text-align: start;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .image-dialog {
    width: calc(100vw - 24px);
    max-height: calc(100dvh - 24px);
  }

  .trust-heading {
    grid-template-columns: minmax(0, 1fr) 96px;
  }

  .trust-heading img {
    width: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.reveal-enabled [data-reveal],
  html.reveal-enabled [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .action-link,
  .media-control,
  .process-row,
  .product-shot,
  .shot-caption,
  .trust-ledger li,
  .faq-list details,
  .dialog-close,
  .faq-list summary svg,
  .shot-viewport {
    transition: none;
  }
}