@import url("./tokens.css");

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--tw-background);
  color: var(--tw-text-primary);
  font-family:
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--tw-primary);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: var(--tw-space-3);
  left: var(--tw-space-3);
  z-index: 100;
  padding: var(--tw-space-2) var(--tw-space-4);
  border-radius: var(--tw-radius-small);
  background: var(--tw-text-primary);
  color: var(--tw-background);
  transform: translateY(-180%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--tw-border) 78%, transparent);
  background: color-mix(in srgb, var(--tw-background) 92%, transparent);
  backdrop-filter: blur(16px);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: var(--tw-space-6);
}

.wordmark {
  flex: none;
  color: var(--tw-text-primary);
  font-size: 18px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.wordmark span {
  color: var(--tw-primary);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--tw-space-1);
}

.primary-nav a {
  padding: 9px 11px;
  border-radius: var(--tw-radius-small);
  color: var(--tw-text-secondary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  background: var(--tw-primary-soft);
  color: var(--tw-text-primary);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--tw-border);
  border-radius: var(--tw-radius-small);
  background: var(--tw-surface);
  color: var(--tw-text-primary);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: auto;
  border-radius: 999px;
  background: currentColor;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle-lines::before {
  top: -6px;
}

.nav-toggle-lines::after {
  top: 6px;
}

main {
  overflow: hidden;
}

.hero,
.page-hero {
  padding: 88px 0 72px;
}

.site-announcement {
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: white;
}

.site-announcement .section-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 44px;
  padding-block: 8px;
  font-size: 0.88rem;
  text-align: center;
  overflow-wrap: anywhere;
}

.site-announcement a {
  color: white;
  font-weight: 700;
  white-space: nowrap;
}

[data-site-content="hero_title"] {
  white-space: pre-line;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 var(--tw-space-3);
  color: var(--tw-primary-pressed);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.32;
}

h1 {
  max-width: 780px;
  margin-bottom: var(--tw-space-6);
  font-size: clamp(40px, 6vw, 68px);
  letter-spacing: -0.045em;
}

.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
}

h2 {
  margin-bottom: var(--tw-space-4);
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: var(--tw-space-2);
  font-size: 20px;
}

.lead {
  max-width: 700px;
  margin: 0;
  color: var(--tw-text-secondary);
  font-size: clamp(18px, 2.3vw, 21px);
  line-height: 1.75;
}

.hero-actions,
.store-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tw-space-3);
  margin-top: var(--tw-space-8);
}

.button,
.button-disabled {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 var(--tw-space-6);
  border: 1px solid var(--tw-text-primary);
  border-radius: var(--tw-radius-medium);
  font-weight: 650;
  text-decoration: none;
}

.button {
  background: var(--tw-text-primary);
  color: var(--tw-background);
}

.button:hover {
  background: #3b3733;
}

.button-secondary {
  border-color: var(--tw-border);
  background: var(--tw-surface);
  color: var(--tw-text-primary);
}

.button-disabled {
  border-color: var(--tw-border);
  background: var(--tw-surface-subtle);
  color: var(--tw-text-secondary);
  cursor: not-allowed;
}

.hero-art {
  position: relative;
  min-height: 430px;
}

.memory-frame {
  position: absolute;
  inset: 24px 18px 42px;
  overflow: hidden;
  border: 1px solid var(--tw-border);
  border-radius: 34px;
  background: var(--tw-surface);
  box-shadow: 0 32px 72px -42px rgba(28, 25, 23, 0.4);
  transform: rotate(2deg);
}

.memory-picture {
  height: 56%;
  background:
    radial-gradient(circle at 24% 36%, #f4d6cd 0 11%, transparent 12%),
    radial-gradient(circle at 68% 44%, #cbc9ef 0 15%, transparent 16%),
    linear-gradient(145deg, var(--tw-primary-soft), var(--tw-ai-soft));
}
.memory-picture.remote-asset { background-position: center; background-size: cover; }

.memory-copy {
  padding: var(--tw-space-6);
}

.memory-copy p {
  margin: 0 0 var(--tw-space-2);
  color: var(--tw-text-secondary);
}

.overlap-mark {
  position: absolute;
  right: -2px;
  bottom: 0;
  width: 104px;
  height: 64px;
}

.overlap-mark::before,
.overlap-mark::after {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  content: "";
}

.overlap-mark::before {
  left: 0;
  background: var(--tw-primary);
}

.overlap-mark::after {
  right: 0;
  background: color-mix(in srgb, var(--tw-ai-accent) 78%, transparent);
  mix-blend-mode: multiply;
}

.section {
  padding: 80px 0;
}

.section-soft {
  background: var(--tw-surface-subtle);
}

.section-ai {
  background: var(--tw-ai-deep);
  color: #fbfaff;
}

.section-ai .lead,
.section-ai .card p {
  color: #d6d3eb;
}

.section-heading {
  max-width: 760px;
  margin-bottom: var(--tw-space-10);
}

.card-grid,
.step-grid,
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--tw-space-5);
}

.card,
.step,
.policy-section,
.notice-panel,
.faq-item {
  border: 1px solid var(--tw-border);
  border-radius: var(--tw-radius-large);
  background: var(--tw-surface);
}

.card,
.step {
  padding: var(--tw-space-8);
}

.card p,
.step p {
  margin: 0;
  color: var(--tw-text-secondary);
}

.card-kicker,
.step-number {
  display: inline-flex;
  min-width: 32px;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--tw-space-4);
  border-radius: 999px;
  background: var(--tw-primary-soft);
  color: var(--tw-primary-pressed);
  font-size: 13px;
  font-weight: 700;
}

.section-ai .card {
  border-color: #45426d;
  background: #302e52;
}

.section-ai .card-kicker {
  background: #45426d;
  color: #d6d3eb;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 72px;
}

.feature-list,
.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li,
.plain-list li {
  position: relative;
  padding: var(--tw-space-4) 0 var(--tw-space-4) 34px;
  border-bottom: 1px solid var(--tw-divider);
}

.feature-list li::before,
.plain-list li::before {
  position: absolute;
  top: 22px;
  left: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--tw-primary);
  content: "";
}

.plain-list li::before {
  background: var(--tw-ai-accent);
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 0.72fr);
  align-items: start;
  gap: var(--tw-space-10);
}

.policy-nav {
  position: sticky;
  top: 96px;
  display: grid;
  gap: var(--tw-space-1);
}

.policy-nav a {
  padding: var(--tw-space-2) var(--tw-space-3);
  border-radius: var(--tw-radius-small);
  color: var(--tw-text-secondary);
  font-size: 14px;
  text-decoration: none;
}

.policy-nav a:hover {
  background: var(--tw-primary-soft);
  color: var(--tw-text-primary);
}

.policy-content {
  display: grid;
  gap: var(--tw-space-5);
}

.policy-section,
.notice-panel {
  padding: clamp(24px, 4vw, 40px);
}

.policy-section p:last-child,
.notice-panel p:last-child {
  margin-bottom: 0;
}

.notice-panel {
  border-color: #ddcf9b;
  background: #fff9e9;
  color: var(--tw-text-primary);
}

.faq-list {
  display: grid;
  gap: var(--tw-space-3);
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  display: flex;
  width: 100%;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: var(--tw-space-5);
  padding: var(--tw-space-4) var(--tw-space-5);
  border: 0;
  background: transparent;
  color: var(--tw-text-primary);
  font-weight: 650;
  text-align: left;
  cursor: pointer;
}

.faq-question::after {
  flex: none;
  color: var(--tw-primary-pressed);
  font-size: 24px;
  content: "+";
}

.faq-question[aria-expanded="true"]::after {
  content: "−";
}

.faq-answer {
  padding: 0 var(--tw-space-5) var(--tw-space-5);
  color: var(--tw-text-secondary);
}

.faq-answer p {
  margin: 0;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--tw-space-8);
  padding: clamp(28px, 5vw, 52px);
  border-radius: var(--tw-radius-large);
  background: var(--tw-primary-soft);
}

.cta-panel h2,
.cta-panel p {
  margin-bottom: 0;
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--tw-border);
  border-radius: var(--tw-radius-large);
  background: var(--tw-primary-soft);
}

.download-panel-hero {
  max-width: 900px;
  margin-top: var(--tw-space-10);
}

.download-panel-copy h2 {
  margin-bottom: var(--tw-space-3);
}

.download-panel-copy > p:not(.eyebrow) {
  max-width: 620px;
  margin: 0;
  color: var(--tw-text-secondary);
}

/* 내부 테스트에서 «반드시» 먼저 읽혀야 하는 두 가지를 담는다.
   본문 문단(.download-panel-copy > p)과 달리 배경을 줘서 눈에 걸리게 한다 —
   이 안내를 못 읽으면 테스터가 앱을 불량으로 판단하고 멈춘다. */
.download-note {
  max-width: 620px;
  margin: var(--tw-space-4) 0 0;
  padding: var(--tw-space-4);
  border: 1px solid var(--tw-border);
  border-left: 3px solid var(--tw-primary);
  border-radius: var(--tw-radius-medium);
  background: var(--tw-surface-subtle);
}

.download-note p {
  margin: 0;
  color: var(--tw-text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.download-note p + p {
  margin-top: var(--tw-space-3);
}

.download-note code {
  padding: 1px 5px;
  border-radius: var(--tw-radius-small);
  background: var(--tw-primary-soft);
  color: var(--tw-text-primary);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.download-qr-link {
  display: grid;
  justify-items: center;
  gap: var(--tw-space-2);
  padding: var(--tw-space-3);
  border-radius: var(--tw-radius-medium);
  background: var(--tw-surface);
  color: var(--tw-text-secondary);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  box-shadow: 0 18px 42px -32px rgba(28, 25, 23, 0.55);
}

.download-qr-link:hover {
  color: var(--tw-text-primary);
}

.download-qr {
  display: block;
  width: 180px;
  height: 180px;
  border-radius: var(--tw-radius-small);
}

.site-footer {
  padding: 56px 0 32px;
  border-top: 1px solid var(--tw-border);
  background: var(--tw-surface);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--tw-space-8);
}

.footer-copy {
  max-width: 420px;
  margin: var(--tw-space-3) 0 0;
  color: var(--tw-text-secondary);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--tw-space-3) var(--tw-space-5);
}

.footer-links a {
  color: var(--tw-text-secondary);
  font-size: 14px;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--tw-primary-pressed);
  text-decoration: underline;
}

.business-footer {
  margin-top: var(--tw-space-8);
  padding-top: var(--tw-space-6);
  border-top: 1px solid var(--tw-divider);
  color: var(--tw-text-secondary);
  font-size: 13px;
}

.business-footer-heading {
  margin-bottom: var(--tw-space-3);
  color: var(--tw-text-primary);
  font-weight: 700;
}

.business-footer-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tw-space-2) var(--tw-space-5);
  margin: 0;
}

.business-footer-item {
  display: inline-flex;
  gap: var(--tw-space-2);
}

.business-footer-item dt {
  color: var(--tw-text-disabled);
}

.business-footer-item dd {
  margin: 0;
}

.business-footer-verify {
  display: inline-block;
  margin-top: var(--tw-space-3);
  color: var(--tw-text-secondary);
  text-underline-offset: 3px;
}

.footer-bottom {
  margin-top: var(--tw-space-6);
  padding-top: var(--tw-space-5);
  border-top: 1px solid var(--tw-divider);
  color: var(--tw-text-disabled);
  font-size: 13px;
}

.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;
}

.invite-main {
  display: grid;
  min-height: calc(100vh - 230px);
  place-items: center;
  padding: clamp(48px, 8vw, 96px) 20px;
  background: linear-gradient(145deg, var(--tw-background), var(--tw-primary-soft));
}

.invite-card {
  width: min(100%, 620px);
  padding: clamp(28px, 6vw, 56px);
  border: 1px solid var(--tw-border);
  border-radius: var(--tw-radius-large);
  background: var(--tw-surface);
  box-shadow: 0 24px 70px rgb(50 35 32 / 10%);
  text-align: center;
}

.invite-card h1 {
  margin-inline: auto;
  font-size: clamp(34px, 7vw, 52px);
}

.invite-code-panel {
  display: grid;
  gap: var(--tw-space-1);
  margin: var(--tw-space-8) 0 var(--tw-space-5);
  padding: var(--tw-space-5);
  border-radius: var(--tw-radius-medium);
  background: var(--tw-primary-soft);
}

.invite-code-panel span,
.invite-note {
  color: var(--tw-text-secondary);
  font-size: 14px;
}

.invite-code-panel strong {
  font-size: clamp(28px, 8vw, 40px);
  letter-spacing: 0.16em;
}

.invite-action {
  width: 100%;
  margin-top: var(--tw-space-3);
}

.invite-error {
  margin: var(--tw-space-6) 0;
  color: var(--tw-error, #b42318);
}

.invite-note {
  margin: var(--tw-space-5) 0 0;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: absolute;
    top: 72px;
    right: 20px;
    left: 20px;
    display: none;
    padding: var(--tw-space-3);
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius-medium);
    background: var(--tw-surface);
    box-shadow: 0 20px 48px -32px rgba(28, 25, 23, 0.55);
  }

  .primary-nav[data-open="true"] {
    display: grid;
  }

  .primary-nav a {
    padding: var(--tw-space-3);
  }

  .hero,
  .page-hero {
    padding: 64px 0 56px;
  }

  .hero-grid,
  .split,
  .download-panel {
    grid-template-columns: 1fr;
    gap: var(--tw-space-10);
  }

  .download-qr-link {
    width: fit-content;
    justify-self: center;
  }

  .hero-art {
    width: min(480px, 100%);
    min-height: 390px;
    margin-inline: auto;
  }

  .card-grid,
  .step-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .policy-layout {
    grid-template-columns: 1fr;
  }

  .policy-nav {
    position: static;
    display: flex;
    overflow-x: auto;
    padding-bottom: var(--tw-space-2);
  }
}

@media (max-width: 560px) {
  .header-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 32px, 1120px);
  }

  .hero-actions,
  .store-actions {
    display: grid;
  }

  .button,
  .button-disabled {
    width: 100%;
  }

  .hero-art {
    min-height: 330px;
  }

  .memory-frame {
    inset: 12px 10px 32px;
  }

  .section {
    padding: 64px 0;
  }

  .cta-panel,
  .footer-top {
    align-items: stretch;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}