/* ── Landing page styles (index.html only) ── */

/* ── Nav brand: Galmuri heading ── */
.brand {
  font-family: var(--font-family-heading);
  font-size: 15px;
  letter-spacing: 0;
  color: var(--color-text-base);
}

/* ── Landing-page: nav는 hero 위에 투명하게 overlaps ── */
.landing-page ~ * #nav-root .app-nav,
.landing-page + #nav-root .app-nav { /* fallback — see below */ }

/* nav-root가 body 첫 자식이므로 sibling 선택자 대신 body class로 제어 */
body.page-home .app-nav {
  background: transparent;
  border-bottom: none;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
}

body.page-home .app-nav.is-scrolled {
  background: rgba(28, 27, 26, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── 홈 nav 전체 폰트 → Galmuri11 ── */
body.page-home .app-nav,
body.page-home .app-nav .nav-link,
body.page-home .app-nav .brand {
  font-family: var(--font-family-heading);
}

/* ── Page wrapper ── */
.landing-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  isolation: isolate;
  background: var(--color-bg-base);
  overflow: hidden;
}

/* ── Hero 우주 배경 — 패럴랙스 CSS-var 제어 ── */
.landing-page::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: -40px; /* 틸트 여백: 사방 40px 넉넉하게 확장 */
  height: calc(680px + 80px);
  background:
    linear-gradient(
      to bottom,
      rgba(28, 27, 26, 0.20) 0%,
      rgba(28, 27, 26, 0.38) 48%,
      rgba(28, 27, 26, 0.78) 72%,
      var(--color-bg-base) 100%
    ),
    url('/assets/hero-bg-space.webp') center top / cover no-repeat;
  pointer-events: none;
  transform: translate(var(--para-x, 0px), var(--para-y, 0px));
  will-change: transform;
}

/* ── 별 반짝임 ── */
.landing-star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
  animation: twinkle var(--tw-dur, 3s) ease-in-out var(--tw-delay, 0s) infinite;
  opacity: 0;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.06; transform: scale(0.8); }
  50%       { opacity: 0.9;  transform: scale(1.3); }
}
@media (prefers-reduced-motion: reduce) {
  .landing-star { animation: none; opacity: 0.18; }
}

/* ── Hero ── */
.landing-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  /* 상단 52px는 투명 nav 영역 보상; 콘텐츠가 nav 뒤로 숨지 않게 */
  padding: calc(52px + var(--spacing-3xl)) var(--spacing-xl) var(--spacing-3xl);
  gap: var(--spacing-2xl);
  position: relative;
  overflow: hidden;
  min-height: 480px;
}

/* (픽셀 그리드·패럴랙스 캔버스 레이어 제거됨) */

.landing-hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
  max-width: 720px;
}

.landing-hero h1 {
  margin: 0;
  font-family: var(--font-family-heading);
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0;
  color: var(--color-text-base);
  white-space: pre-line;
}

.landing-hero h1 em {
  font-style: normal;
  color: var(--color-primary-base);
}

.landing-hero-lede {
  margin: 0;
  padding: 0;
  font-size: var(--font-size-md);
  color: #d8d5dc;
  line-height: 1.6;
  max-width: 640px;
  white-space: pre-line;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.72);
}

.landing-hero-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── P31: Hero asset showcase ── */
.hero-asset-showcase {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  padding: var(--spacing-xl) 0 0;
  position: relative;
  z-index: 6;
  max-width: 640px;
}

.hero-asset-frame {
  width: 72px;
  height: 72px;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 1px solid color-mix(in srgb, var(--color-primary-base) 30%, transparent);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-bg-card) 60%, transparent);
  padding: 6px;
  transition: transform 0.18s, border-color 0.18s;
}

.hero-asset-frame:hover {
  transform: scale(1.12);
  border-color: var(--color-primary-base);
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 var(--spacing-2xl);
  height: var(--control-height-lg);
  background: var(--color-primary-base);
  color: var(--color-primary-text);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s;
}
.btn-cta-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 20px var(--color-primary-glow);
}

.btn-cta-ghost {
  display: inline-flex;
  align-items: center;
  height: var(--control-height-lg);
  padding: 0 var(--spacing-xl);
  background: transparent;
  border: 1px solid var(--color-border-base);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.btn-cta-ghost:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text-base);
}

/* ── Before/After strip ── */
.landing-asset-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.landing-asset-pair {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-base);
  border-radius: var(--radius-lg);
}

.landing-asset-pair img {
  width: 64px;
  height: 64px;
  image-rendering: pixelated;
  border-radius: var(--radius-sm);
  background: repeating-conic-gradient(var(--color-checker-a) 0 25%, var(--color-checker-b) 0 50%) 0 0 / 12px 12px;
}

.landing-asset-pair .arrow {
  color: var(--color-text-muted);
  font-size: 18px;
  line-height: 1;
}

/* ── Section divider ── */
.landing-divider {
  width: min(100%, 1px);
  height: 1px;
  background: var(--color-border-base);
  margin: 0 auto;
}

/* ── How it works ── */
.landing-steps {
  padding: var(--spacing-4xl) var(--spacing-xl);
  max-width: var(--layout-page-max);
  width: 100%;
  margin-inline: auto;
  box-sizing: border-box;
}

.landing-steps-label {
  margin: 0 0 var(--spacing-2xl);
  font-size: clamp(13px, 1.4vw, 16px);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--font-family-heading);
  color: var(--color-primary-base);
}

.landing-steps-list {
  display: flex;
  flex-direction: column;
  gap: clamp(var(--spacing-lg), 3vw, var(--spacing-2xl));
}

.landing-step-row {
  display: grid;
  grid-template-columns: 3ch 1fr;
  grid-template-rows: auto auto;
  gap: var(--spacing-md) var(--spacing-xl);
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--color-border-base);
  opacity: 1;
}
.landing-step-row:first-child { border-top: 1px solid var(--color-border-base); }
.landing-step-row:last-child { border-bottom: none; }
.landing-step-row.revealed { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .landing-step-row { opacity: 1; } }

.landing-step-idx {
  padding-top: 6px;
  font-family: var(--font-family-heading);
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 400;
  color: var(--color-primary-base);
  letter-spacing: 0.04em;
  grid-row: 1;
  grid-column: 1;
}

.landing-step-line {
  margin: 0;
  font-family: var(--font-family-heading);
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 400;
  color: var(--color-text-base);
  letter-spacing: -0.01em;
  line-height: 1.2;
  grid-row: 1;
  grid-column: 2;
}

/* ── Browser frame for step GIFs ── */
.landing-step-browser {
  grid-column: 1 / -1;
  grid-row: 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 32px rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.07);
  max-width: 96%;
  margin-inline: auto;
}

.landing-step-browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 16px;
  background: #222120;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.landing-step-browser-bar::before {
  content: '';
  display: block;
  width: 48px;
  height: 12px;
  border-radius: 6px;
  background:
    radial-gradient(circle 5px at 5px 50%, #ff5f57 0 100%, transparent 100%) 0/16px 12px no-repeat,
    radial-gradient(circle 5px at 5px 50%, #febc2e 0 100%, transparent 100%) 17px/16px 12px no-repeat,
    radial-gradient(circle 5px at 5px 50%, #28c840 0 100%, transparent 100%) 34px/16px 12px no-repeat;
  flex-shrink: 0;
}

/* 버튼 반대쪽에 같은 너비 spacer → 주소창 텍스트가 시각적으로 완전 중앙 */
.landing-step-browser-bar::after {
  content: '';
  display: block;
  width: 48px;
  flex-shrink: 0;
}

.landing-step-browser-url {
  flex: 1;
  text-align: center;
  font-size: 12px;         /* 11 → 12 */
  color: rgba(255,255,255,0.40);
  font-family: var(--font-family-base);
  letter-spacing: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.landing-step-browser .landing-step-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
}

@media (max-width: 640px) {
  .landing-step-browser { max-width: 100%; }
}
.landing-step-img--placeholder {
  background: rgba(109, 91, 247, 0.06);
  border: 1px dashed rgba(109, 91, 247, 0.35);
}

/* ── Sprite sheet section — removed ── */


/* ── Sprite examples nested under step 4 ── */
.landing-step-sprites {
  grid-column: 1 / -1;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4xl);
  padding-top: var(--spacing-3xl);
}

.landing-sprite-row {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: nowrap;
  margin-top: 0;
  padding-block: var(--spacing-md);
  overflow-x: auto;
}

.landing-sprite-fig {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 0 0 auto;
}

.landing-sprite-img {
  width: 128px;
  height: 128px;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  object-fit: contain;
}

.landing-sprite-fig figcaption {
  font-size: clamp(11px, 1.1vw, 13px);
  color: var(--color-text-muted);
  font-family: var(--font-family-heading);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.landing-sprite-fig--source .landing-sprite-img--source {
  object-fit: cover;
  opacity: 0.70;
  filter: grayscale(0.15);
  border-radius: var(--radius-md);
}

.landing-sprite-divider {
  display: flex;
  align-items: center;
  font-size: 24px;
  color: var(--color-primary-base);
  opacity: 0.5;
  padding-bottom: 24px;  /* align with img, not caption */
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .landing-sprite-img { width: 64px; height: 64px; }
  .landing-sprite-row { gap: var(--spacing-sm); flex-wrap: nowrap; }
  .landing-step-sprites { gap: var(--spacing-3xl); padding-top: var(--spacing-2xl); }
  .landing-bottom-cta h2 {
    font-size: clamp(20px, 7vw, 28px);
    white-space: normal;
    max-width: 11.5em;
    padding-inline: 8px;
  }
}

/* ── Pricing section ── */
.landing-pricing {
  padding: var(--spacing-4xl) var(--spacing-xl);
  text-align: center;
  border-top: 1px solid var(--color-border-base);
}
.landing-pricing h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--color-text-base);
}
.landing-pricing-sub {
  font-size: 15px;
  color: var(--color-text-muted);
  margin: 0 0 40px;
}
.landing-pricing-cards {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 720px;
  margin: 0 auto;
}
.landing-pricing-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-base);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  flex: 1;
  min-width: 240px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}
html[lang="ko"] .landing-pricing-card {
  min-width: 260px;
}
html[lang="en"] .landing-pricing-cards {
  min-width: 800px;
}
html[lang="en"] .landing-pricing-card {
  min-width: 380px;
}
.landing-pricing-card.is-featured {
  border-color: var(--color-primary-base);
  box-shadow: 0 0 0 1px var(--color-primary-base);
}
.landing-pricing-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-base);
}
.landing-pricing-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-text-base);
  line-height: 1;
}
.landing-pricing-once {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
  vertical-align: middle;
}
.landing-pricing-krw {
  font-size: 12px;
  color: var(--color-text-muted);
  margin: 0;
}
.landing-pricing-features {
  list-style: none;
  padding: 0;
  margin: 4px 0 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-base);
  flex: 1;
}
.landing-pricing-features li::before {
  content: "✓ ";
  color: var(--color-primary-base);
  font-weight: 700;
}
.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--color-border-base);
  color: var(--color-text-base);
  background: transparent;
  transition: background 0.15s;
}
.btn-cta-secondary:hover { background: var(--color-surface-hover); }

.landing-bottom-cta .landing-pricing-cards {
  margin-top: 32px;
}

/* ── Bottom CTA ── */
.landing-bottom-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-5xl);
  gap: var(--spacing-lg);
  border-top: 1px solid var(--color-border-base);
}

.landing-bottom-cta h2 {
  margin: 0;
  font-family: var(--font-family-heading);
  font-size: clamp(22px, 5.2vw, 36px);
  font-weight: 400;
  color: var(--color-text-base);
  letter-spacing: 0;
  line-height: 1.28;
  max-width: none;
  white-space: nowrap;
}

.landing-bottom-cta p,
.landing-cta-note {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: pre-line;
}

/* (*Grok ...) 줄: pre-line 3번째 줄 직접 제어 불가 → JS 없이 CSS만으로는 어려움.
   대신 전체 note를 약간 작게 유지하고, 앞 두 줄은 상대적으로 강조. */
.landing-cta-note {
  font-size: 12px;
  opacity: 0.75;
  line-height: 1;
}

.landing-cta-fine {
  font-size: 11px;
  opacity: 0.5;
}

/* ── Language popup (ElevenLabs style) ── */
#lang-popup {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  width: 280px;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-base);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);

  /* Slide-in animation */
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
}
#lang-popup.lang-popup--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#lang-popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.12s;
}
#lang-popup-close:hover { color: var(--color-text-base); }

#lang-popup-flags {
  margin: 0;
  font-size: 20px;
  letter-spacing: 3px;
  line-height: 1;
}

#lang-popup-title {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-base);
}

#lang-popup-body {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

#lang-popup-confirm {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--control-height-sm);
  padding: 0 var(--spacing-md);
  margin-top: var(--spacing-xs);
  background: var(--color-text-base);
  color: var(--color-bg-base);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family-base);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.12s;
}
#lang-popup-confirm:hover { opacity: 0.88; }

/* ── Responsive ── */
@media (max-width: 860px) {
  .landing-steps-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
  .landing-sheet {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  .landing-sheet-copy { order: 1; }
  .landing-sheet-demo { order: 2; }
}

@media (max-width: 640px) {
  .landing-page::before { height: 420px; }
  .landing-hero { padding: calc(52px + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg); min-height: 0; }
  .landing-steps { padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-2xl); }
  .landing-steps-list { gap: var(--spacing-lg); }
  .landing-sheet { padding: var(--spacing-3xl) var(--spacing-lg); }
  .landing-bottom-cta { padding: var(--spacing-3xl) var(--spacing-lg); }
  .landing-asset-strip { gap: var(--spacing-sm); }
  .landing-asset-pair img { width: 48px; height: 48px; }
  #lang-popup { bottom: 12px; right: 12px; left: 12px; width: auto; }
}