:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted: #6c727e;
  --line: #e3e3e3;
  --panel: #f7f7f7;
  --soft: #f0f0f0;
  --max: 1200px;
  --radius-xl: 40px;
  --radius-lg: 32px;
  --radius-md: 24px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6,
strong {
  font-weight: 600;
}

body,
p,
span,
a,
button,
input,
select,
textarea,
li,
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.36em;
}

img {
  display: block;
  max-width: 100%;
  border-radius: 16px;
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  width: min(calc(100vw - 160px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.brand,
.footer-brand {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 20px;
  font-weight: 600;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.pill:hover {
  transform: none;
}

.pill-dark {
  background: #000;
  color: #fff;
}

.pill-dark:hover {
  background: #fff;
  color: #000;
  border-color: #000000;
}

.pill-light {
  background: #f0f0f0;
  color: #000;
}

.hero {
  padding: 72px 0 0;
}

.eyebrow {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0 16px;
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.36em;
  text-align: center;
  align-self: center;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

:lang(en) {
  letter-spacing: 0;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  font-size: 64px;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-align: center;
}

.hero-cta {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.hero-image {
  margin-top: 56px;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.hero-image img,
.sticker-preview img,
.feature-card img,
.cta-panel img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-image img {
  border: 1px solid #e3e3e3;
}

.section {
  padding: 140px 0 0;
}

#contact-form {
  scroll-margin-top: 120px;
}

.section-heading h2,
.cta-copy h2 {
  margin: 0;
  font-size: 50px;
  letter-spacing: -0.03em;
  text-align: center;
}

.intro-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 56px;
}

.intro-step {
  position: relative;
}

.intro-card,
.journey-card,
.option-card,
.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
}

.intro-card {
  padding: 24px;
}

.intro-card img {
  width: 100%;
  border: 1px solid #e3e3e3;
}

.intro-copy {
  margin-top: 22px;
  text-align: center;
}

.intro-copy p,
.option-card h3,
.feature-copy h2,
.journey-card h3 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.intro-copy p {
  margin-top: 20px;
  font-size: 24px;
  font-weight: 600;
}

.feature-copy h2 {
  font-size: 42px;
}

.intro .section-heading h2,
.stickers .section-heading h2 {
  font-size: 42px;
}

.feature-copy p {
  color: #6c727e;
  font-weight: 400;
}

.intro-copy span,
.option-card p,
.feature-copy p {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 22px;
}

.intro-card p,
.intro-card span {
  text-align: center;
}

.intro-arrow {
  position: absolute;
  top: 50%;
  left: calc(100% + 2.5px);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 43px;
  height: 43px;
  color: #9ba2ae;
  font-size: 24px;
  font-weight: 600;
  transform: translateY(-50%);
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.journey-flow {
  padding: 40px;
  border-radius: 28px;
}

.journey-flow-admin {
  background: #ece9ff;
}

.journey-flow-customer {
  background: #fff6a8;
}

.journey-flow h3 {
  text-align: center;
  margin: 0;
  padding-bottom: 16px;
  font-size: 22px;
}

.flow-root,
.flow-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  padding: 12px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  text-align: center;
  font-size: 18px;
}

.flow-root {
  margin-bottom: 10px;
  min-height: 56px;
  color: #6c727e;
}

.flow-card {
  border: 1px solid transparent;
}

.flow-card-muted {
  color: #6c727e;
}

.flow-card-black {
  color: #000000;
}

.flow-card-admin-soft {
  background: #f7f7ff;
}

.flow-card-customer-soft {
  background: #fffeed;
}

.flow-card-accent {
  border-color: #b9b2ff;
  box-shadow: inset 0 0 0 1px rgba(185, 178, 255, 0.25);
  padding: 12px;
  font-size: 18px;
  background: #ffffff;
}

.flow-card-customer-accent {
  border-color: #c4bf1a;
  box-shadow: inset 0 0 0 1px rgba(196, 191, 26, 0.2);
  background: #ffffff;
}

.flow-card-admin-accent-text {
  color: #2b1e8f;
}

.flow-card-customer-accent-text {
  color: #575404;
}

.flow-split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 8px 0 12px;
  color: #6c727e;
  font-size: 24px;
  text-align: center;
}

.flow-split span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  line-height: 1;
}

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

.flow-column {
  display: grid;
  gap: 12px;
}

.flow-symbol {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  color: #6c727e;
  font-size: 24px;
  line-height: 1;
  text-align: center;
}

.flow-symbol:has(> span),
.flow-symbol-plus,
.flow-symbol[data-symbol="+"] {
  font-size: 26px;
}

.sticker-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 56px;
}

.sticker-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  text-align: center;
}

.option-card img {
  width: min(100%, 200px);
  max-width: 200px;
  max-height: 200px;
  object-fit: contain;
  margin: 0 auto;
}

.option-card h3 {
  margin-top: 20px;
  font-size: 24px;
  text-align: center;
  font-weight: 600;
}

.option-card p {
  text-align: center;
  margin: 0;
  font-size: 18px;
  color: #6c727e;
}

.sticker-preview {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.feature-list {
  display: grid;
  gap: 72px;
  margin-top: 32px;
}

.feature-card {
  padding: 0 32px 32px;
  border: none;
}

.feature-copy {
  text-align: center;
  margin-bottom: 32px;
}

.feature-card img {
  border: 1px solid #e3e3e3;
}

.cta-panel {
  display: grid;
  gap: 36px;
}

.cta-copy .eyebrow,
.cta-copy h2 {
  text-align: center;
}

.cta-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cta .pill {
  margin: 0 auto;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  padding: 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #fff 0%, #fafafa 100%);
}

.contact-copy {
  display: grid;
  align-content: start;
  gap: 18px;
}

.contact-copy .eyebrow,
.contact-copy h2 {
  text-align: left;
}

.contact-kicker {
  margin: 0;
  color: var(--fg);
  font-size: 36px;
  font-weight: 600;
  line-height: 1.36em;
  text-align: left;
}

.contact-title {
  margin: 0;
  color: #6c727e;
  font-size: 18px;
  font-weight: 400;
  text-align: left;
}

.contact-description {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
}

.contact-form {
  display: grid;
  gap: 24px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 24px;
  row-gap: 40px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  font-size: 15px;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px 12px;
  color: var(--fg);
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.field select {
  appearance: none;
  padding: 12px 48px 12px 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6L8 10L12 6' stroke='%239BA2AE' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px 16px;
}

.field textarea {
  resize: vertical;
  min-height: 160px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #d0d4db;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #000;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.06);
}

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

.contact-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}

.contact-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.contact-status {
  margin: 0;
  min-height: 24px;
  font-size: 15px;
}

.contact-status-success {
  color: #0f8a43;
}

.contact-status-error {
  color: #c23232;
}

#contact-form:target .contact-panel {
  animation: target-pop 800ms ease;
}

.site-footer {
  margin-top: 140px;
  padding: 56px 0 68px;
  background: #000;
  color: #fff;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand {
  color: var(--muted);
}

.footer-inner h3 {
  margin: 16px 0 0;
  font-size: 32px;
  letter-spacing: -0.03em;
}

.footer-bottom {
  margin-top: 48px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 16px;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slide-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes target-pop {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    transform: translateY(18px);
  }
  45% {
    box-shadow: 0 0 0 12px rgba(0, 0, 0, 0.05);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    transform: translateY(0);
  }
}

@media (max-width: 1099px) {
  .shell {
    width: min(calc(100vw - 48px), var(--max));
  }

  .hero-title {
    font-size: 44px;
  }

  .eyebrow {
    font-size: 20px;
  }

  .section-heading h2,
  .cta-copy h2 {
    font-size: 34px;
  }

  .intro-cards,
  .journey-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

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

  .intro-arrow {
    top: calc(100% - 13.5px);
    right: auto;
    bottom: auto;
    left: 50%;
    transform: translateX(-50%);
  }

  .sticker-options {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    flex-direction: column;
  }

  .contact-copy .eyebrow,
  .contact-copy h2 {
    text-align: center;
  }

  .contact-kicker {
    font-size: 30px;
  }

  .contact-title {
    font-size: 18px;
  }

  .contact-description,
  .contact-actions p {
    text-align: center;
  }

  .contact-actions {
    flex-direction: column;
  }
}

@media (max-width: 767px) {
  h1,
  h2 {
    font-size: 26px;
  }

  .shell {
    width: min(calc(100vw - 40px), var(--max));
  }

  .header-inner {
    padding: 20px 0;
  }

  .brand,
  .footer-brand {
    font-size: 22px;
  }

  .pill {
    min-height: 50px;
    padding: 0 18px;
    font-size: 19px;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-title {
    font-size: 26px;
    line-height: 1.4;
  }

  .eyebrow {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .section {
    padding-top: 96px;
  }

  .section-heading h2,
  .cta-copy h2,
  .footer-inner h3 {
    font-size: 26px;
  }

  .intro-cards,
  .feature-list,
  .sticker-options {
    gap: 16px;
  }

  .feature-list {
    margin-top: 24px;
  }

  .journey-flow h3 {
    font-size: 22px;
  }

  .feature-copy h2 {
    font-size: 22px;
  }

  .intro .section-heading h2,
  .stickers .section-heading h2 {
    font-size: 22px;
  }

  .intro-copy p,
  .option-card h3 {
    font-size: 18px;
  }

  .intro-copy span,
  .option-card p,
  .feature-copy p,
  .journey-card li,
  .footer-bottom {
    font-size: 16px;
  }

  .footer-inner h3 {
    font-size: 22px;
  }

  .footer-bottom {
    font-size: 14px;
  }

  .feature-copy p {
    font-size: 18px;
  }

  .journey-card,
  .feature-card,
  .option-card,
  .intro-card {
    padding: 20px;
  }

  .journey-flow {
    padding: 24px;
  }

  .flow-root,
  .flow-card {
    min-height: 62px;
    font-size: 18px;
  }

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

  .flow-split {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .journey {
    display: none;
  }

  .intro-arrow {
    display: none;
  }

  .hero-image,
  .hero-image img,
  .sticker-preview,
  .sticker-preview img,
  .option-card img {
    border-radius: 16px;
  }

  .contact-panel {
    padding: 24px;
    gap: 24px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-copy h2,
  .contact-title {
    text-align: center;
  }

  .contact-kicker {
    text-align: center;
  }

  .field-full {
    grid-column: auto;
  }

  .option-card:last-child {
    grid-column: auto;
  }

  .sticker-options {
    grid-template-columns: 1fr;
  }

  .site-footer {
    margin-top: 96px;
    padding-top: 56px;
  }
}