:root {
  --paper: #f5f3ee;
  --ink: #0a0a0a;
  --muted: #6d6b66;
  --line: #d2d0ca;
  --gutter: clamp(1.1rem, 3.2vw, 3.5rem);
  --screenshot-radius: clamp(12px, 2vw, 28px);
  color-scheme: light;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  word-break: keep-all;
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 5px;
}

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

.skip-link {
  position: absolute;
  top: 0;
  left: 1rem;
  z-index: 10;
  padding: 0.6rem 0.8rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.site-footer,
main {
  width: min(100% - (2 * var(--gutter)), 1440px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.header-nav {
  display: flex;
  align-items: baseline;
  gap: 1.3rem;
  color: var(--muted);
  font-size: 0.78rem;
}

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

.header-nav .nav-cta {
  color: var(--ink);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.065em;
  line-height: 1.05;
}

h1 {
  font-size: clamp(3.8rem, 10.8vw, 10.5rem);
  font-weight: 850;
}

h2 {
  font-size: clamp(2.2rem, 5.2vw, 5.8rem);
}

h3 {
  font-size: clamp(1.4rem, 2.3vw, 2.2rem);
}

.hero-copy h1,
.hero-copy > p:not(.eyebrow),
.app-feature h2,
.app-feature-lede,
.company-philosophy h2,
.philosophy-subheading,
.philosophy-prose p,
.philosophy-principles h3,
.principle-list h4,
.principle-list p,
.philosophy-closing,
.detail-intro h1,
.detail-intro .lede,
.detail-copy h2,
.detail-copy h3,
.detail-copy p {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero {
  display: grid;
  align-items: end;
  min-height: min(78vh, 760px);
  padding: clamp(5rem, 13vw, 12rem) 0 clamp(4rem, 9vw, 8rem);
}

.hero-copy {
  max-width: 1150px;
}

.hero-copy .eyebrow {
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
}

.hero-copy h1 {
  max-width: 9ch;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 34rem;
  margin: clamp(2rem, 5vw, 4rem) 0 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
}

.app-features {
  padding: 0 0 clamp(5rem, 10vw, 10rem);
}

.app-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: clamp(2rem, 7vw, 8rem);
  padding: clamp(4rem, 9vw, 9rem) 0;
  border-top: 1px solid var(--line);
}

.app-feature:last-child {
  border-bottom: 1px solid var(--line);
}

.app-feature-copy {
  min-width: 0;
  padding-top: 0.2rem;
}

.app-feature-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem;
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.app-feature-number {
  color: var(--ink);
  font-weight: 800;
}

.app-feature-platform {
  letter-spacing: 0.02em;
}

.app-feature h2 {
  max-width: 9ch;
  font-size: clamp(2.6rem, 5.8vw, 6rem);
}

.app-feature-lede {
  max-width: 28rem;
  margin: clamp(1.5rem, 3vw, 2.8rem) 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.app-feature-detail {
  display: inline-flex;
  margin-top: 2rem;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.28em;
}

.app-feature-stores {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.app-feature-stores a {
  color: var(--muted);
  font-size: 0.76rem;
  text-decoration: underline;
  text-underline-offset: 0.24em;
}

.app-feature-shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(0.75rem, 2vw, 2rem);
  min-width: 0;
}

.app-feature-shot {
  min-width: 0;
  margin: 0;
}

.app-feature-shot img {
  width: 100%;
  height: auto;
  border-radius: var(--screenshot-radius);
}

.app-feature-shot figcaption {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.67rem;
  line-height: 1.35;
}

.app-feature:nth-child(even) .app-feature-copy {
  grid-column: 2;
  grid-row: 1;
}

.app-feature:nth-child(even) .app-feature-shots {
  grid-column: 1;
  grid-row: 1;
}

.app-feature-stores a,
.legal-list dd,
.footer-note {
  overflow-wrap: anywhere;
}

.company-philosophy {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 8rem);
  padding: clamp(5rem, 10vw, 10rem) 0;
  border-top: 1px solid var(--line);
}

.philosophy-intro {
  align-self: start;
}

.philosophy-intro h2 {
  max-width: 11ch;
  font-size: clamp(2.4rem, 5vw, 5.5rem);
}

.philosophy-subheading {
  max-width: 20rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.philosophy-prose {
  max-width: 42rem;
  grid-column: 2;
}

.philosophy-prose p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.philosophy-prose p + p {
  margin-top: 1.5rem;
}

.philosophy-principles {
  grid-column: 2;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.philosophy-principles h3 {
  font-size: clamp(1.8rem, 3.5vw, 3.4rem);
}

.principle-list {
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.principle-list li {
  display: grid;
  grid-template-columns: minmax(11rem, 0.65fr) minmax(0, 1.35fr);
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.principle-list h4 {
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.25;
}

.principle-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.philosophy-closing {
  grid-column: 2;
  max-width: 38rem;
  margin: 3.5rem 0 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 2.1vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 2rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
}

.footer-brand p {
  max-width: 20rem;
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-policy-link {
  display: inline-flex;
  margin-top: 1.25rem;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.24em;
}

.legal-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 1.5rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.legal-list div {
  display: flex;
  gap: 0.45rem;
}

.legal-list dt {
  color: var(--ink);
  font-weight: 700;
}

.legal-list dd {
  margin: 0;
}

.footer-note {
  grid-column: 1 / -1;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.detail-main {
  padding: clamp(3rem, 8vw, 8rem) 0 clamp(5rem, 10vw, 10rem);
}

.breadcrumb {
  margin-bottom: clamp(3rem, 8vw, 8rem);
  color: var(--muted);
  font-size: 0.78rem;
}

.breadcrumb a {
  color: var(--ink);
}

.detail-intro {
  max-width: 1000px;
}

.detail-intro .eyebrow {
  margin-bottom: 1rem;
}

.detail-intro h1 {
  max-width: 9ch;
  font-size: clamp(3.4rem, 10vw, 10rem);
}

.detail-intro .lede {
  max-width: 40rem;
  margin: clamp(2rem, 5vw, 4rem) 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.35rem);
}

.detail-intro .store-actions {
  margin-top: 2rem;
}

.store-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.store-link {
  display: inline-flex;
  align-items: baseline;
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.28em;
}

.store-link::after {
  margin-left: 0.4rem;
  content: "↗";
  text-decoration: none;
}

.store-link:hover {
  background: transparent;
  color: var(--muted);
}

.detail-gallery {
  display: grid;
  gap: clamp(4rem, 12vw, 12rem);
  margin-top: clamp(5rem, 12vw, 12rem);
}

.detail-shot {
  width: clamp(280px, 34vw, 420px);
  margin: 0;
}

.detail-shot:nth-child(even) {
  margin-left: auto;
}

.detail-shot img {
  width: 100%;
  height: auto;
  border-radius: var(--screenshot-radius);
}

.detail-shot figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.7rem;
}

.detail-copy {
  display: grid;
  gap: clamp(3rem, 8vw, 8rem);
  margin-top: clamp(5rem, 12vw, 12rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.detail-copy-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 3rem;
}

.detail-copy-section h2,
.detail-copy-section h3 {
  max-width: 12ch;
  font-size: clamp(2rem, 4vw, 4rem);
}

.detail-copy-section > p,
.detail-copy-section > div {
  max-width: 42rem;
}

.detail-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.detail-feature-list {
  margin: 1.75rem 0;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.detail-feature-list li {
  padding: 0.65rem 0;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
}

.detail-feature-list li + li {
  border-top: 1px solid var(--line);
}

.detail-callout {
  margin-top: 1.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--ink);
}

.detail-callout p {
  font-size: 0.86rem;
}

.detail-back {
  display: inline-flex;
  margin-top: 3rem;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: underline;
}

.not-found {
  min-height: 56vh;
  padding: 7rem 0;
}

.not-found h1 {
  max-width: 16ch;
  font-size: clamp(3rem, 8vw, 6rem);
}

.not-found p {
  max-width: 32rem;
  color: var(--muted);
}

.privacy-main {
  padding: clamp(3rem, 8vw, 8rem) 0 clamp(5rem, 10vw, 10rem);
}

.privacy-intro {
  max-width: 980px;
}

.privacy-intro .eyebrow {
  margin-bottom: 1rem;
}

.privacy-intro h1 {
  max-width: 10ch;
  font-size: clamp(3.4rem, 10vw, 9rem);
}

.privacy-lede {
  max-width: 40rem;
  margin: clamp(2rem, 5vw, 4rem) 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.35rem);
}

.privacy-index {
  margin-top: clamp(5rem, 12vw, 12rem);
  border-top: 1px solid var(--line);
}

.privacy-index-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 8rem);
  padding: 2rem 0;
}

.privacy-index-heading h2 {
  max-width: 12ch;
  font-size: clamp(1.8rem, 3.5vw, 3.4rem);
}

.privacy-index-heading p {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.privacy-app-list {
  border-top: 1px solid var(--line);
}

.privacy-entry {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 8rem);
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.privacy-app-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 1rem;
}

.privacy-app-number {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.privacy-app-heading h3 {
  max-width: 12ch;
  font-size: clamp(1.5rem, 3vw, 2.8rem);
}

.privacy-platform-links {
  display: grid;
}

.privacy-platform-row {
  display: grid;
  grid-template-columns: minmax(6rem, 0.45fr) minmax(0, 1.55fr);
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.7rem 0;
}

.privacy-platform-row + .privacy-platform-row {
  border-top: 1px solid var(--line);
}

.privacy-platform {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.privacy-platform-row a {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-underline-offset: 0.24em;
}

@media (max-width: 850px) {
  .app-feature {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .app-feature:nth-child(even) .app-feature-copy,
  .app-feature:nth-child(even) .app-feature-shots {
    grid-column: auto;
    grid-row: auto;
  }

  .company-philosophy,
  .privacy-index-heading,
  .privacy-entry {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .detail-copy-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .philosophy-prose,
  .philosophy-principles,
  .philosophy-closing {
    grid-column: 1;
  }

  .detail-shot {
    width: clamp(260px, 54vw, 380px);
  }

  .privacy-platform-row {
    max-width: 42rem;
  }
}

@media (max-width: 560px) {
  .site-header,
  .site-footer,
  main {
    width: min(100% - (2 * var(--gutter)), 1440px);
  }

  .site-header {
    align-items: start;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem 0;
  }

  .header-nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 0;
    padding: 5rem 0 4rem;
  }

  h1 {
    font-size: clamp(3.2rem, 17vw, 5.6rem);
  }

  .app-feature {
    gap: 2.5rem;
    padding: 4.5rem 0;
  }

  .app-feature-shots {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .company-philosophy {
    gap: 3rem;
    padding: 4.5rem 0;
  }

  .detail-copy {
    gap: 3.5rem;
  }

  .detail-copy-section {
    gap: 1.25rem;
  }

  .privacy-index-heading {
    gap: 1rem;
  }

  .privacy-entry {
    gap: 1rem;
  }

  .privacy-platform-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .principle-list li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .legal-list {
    grid-template-columns: 1fr;
  }

  .detail-main {
    padding-top: 2.5rem;
  }

  .breadcrumb {
    margin-bottom: 4rem;
  }

  .detail-intro h1 {
    font-size: clamp(3rem, 16vw, 5.6rem);
  }

  .detail-gallery {
    gap: 4rem;
    margin-top: 5rem;
  }

  .detail-shot {
    width: min(82vw, 340px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}