@import url('tokens.css');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--fg-primary);
  font-size: 15px;
  line-height: 1.6;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

/* ── 헤더 (작음, sticky 아님) ── */
.site-header {
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--hairline);
}
.site-header__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-decoration: none;
  margin-bottom: 12px;
  transition: color var(--duration-fast) var(--ease-out);
}
.site-header__back:hover {
  color: var(--brand-accent);
}
.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.site-header__brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.site-header__logo {
  width: 10px;
  height: 10px;
  background: var(--brand-accent);
  display: inline-block;
  margin-right: 6px;
}
.site-header__title {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
}
.site-header__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}
.site-header__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ── 사용 방법 1줄 (헤더 아래) ── */
.howto {
  border-bottom: 1px solid var(--hairline);
  background: var(--bg-page);
}
.howto__steps {
  display: flex;
  gap: 8px 32px;
  list-style: none;
  padding: 18px 0;
  margin: 0;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--fg-primary);
  align-items: center;
}
.howto__steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.howto__num {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  background: var(--brand-accent);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  flex-shrink: 0;
}
.howto code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-muted);
  padding: 1px 6px;
  border: 1px solid var(--hairline);
  color: var(--fg-primary);
}
.howto__link {
  color: var(--brand-accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.howto__link:hover { color: var(--brand-accent-hover); }
@media (max-width: 900px) {
  .howto__steps { font-size: 12.5px; gap: 6px 20px; }
  .howto__steps li { white-space: normal; }
}

/* ── 섹션 헤더 ── */
.section { padding: 56px 0; border-bottom: 1px solid var(--hairline); }
.section:last-child { border-bottom: 0; }
.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 24px;
  flex-wrap: wrap;
}
.section__title {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
}
.section__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ── 카드 그리드 3열 (Mobbin 패턴 + 직각) ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
@media (max-width: 1100px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .card-grid { grid-template-columns: 1fr; } }

.style-card {
  background: var(--card-shell);
  padding: 24px;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
  width: 100%;
  transition: background var(--duration-fast) var(--ease-out);
  cursor: pointer;
  position: relative;
}
.style-card:hover { background: var(--card-shell-hover); }
.style-card:focus-visible {
  outline: 2px solid var(--brand-accent);
  outline-offset: 2px;
}

.style-card__chip {
  position: absolute;
  top: 36px;
  left: 36px;
  background: #FFFFFF;
  color: var(--fg-primary);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 6px 10px;
  z-index: 2;
}
.style-card__chip.featured { color: var(--brand-accent); }

.style-card__preview {
  position: relative;
  background: #FFFFFF;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 0;
}
.style-card__preview.is-loading::before {
  content: 'loading';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.style-card__preview iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 1920px;
  height: 1080px;
  border: 0;
  pointer-events: none;
  transform-origin: 0 0;
  background: transparent;
}

.style-card__body {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 0 4px;
}
.style-card__mark {
  width: 36px;
  height: 36px;
  background: #FFFFFF;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fg-primary);
  flex-shrink: 0;
}
.style-card__mark.featured {
  background: var(--brand-accent);
  color: #FFFFFF;
}
.style-card__text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.style-card__name {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  color: var(--fg-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.style-card__desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--fg-secondary);
  line-height: 1.55;
}

/* ── 모달 (큰 미리보기 + 가이드 다운로드) ── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 14, 0.78);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.modal[data-open="true"] { display: flex; }
.modal__panel {
  background: var(--bg-page);
  max-width: 1400px;
  width: 100%;
  height: 92vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.5fr);
  position: relative;
}
@media (max-width: 900px) {
  .modal__panel { grid-template-columns: 1fr; height: 95vh; }
}
.modal__preview {
  background: #FFFFFF;
  position: relative;
  overflow-y: auto;
  height: 100%;
}
.modal__preview iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #FFFFFF;
}
.modal__preview.is-long iframe {
  height: auto;
  min-height: 100%;
}
.modal__info {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: #FFFFFF;
  color: var(--fg-primary);
  font-size: 18px;
  display: grid;
  place-items: center;
  z-index: 10;
}
.modal__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.modal__title {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.modal__desc {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.6;
}
.modal__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
}
.modal__meta dt {
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 10px;
}
.modal__meta dd { color: var(--fg-primary); }
.modal__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
}
.btn {
  padding: 12px 18px;
  border-radius: 0;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn--primary { background: var(--fg-primary); color: #FFFFFF; }
.btn--primary:hover { background: #2A2A35; }
.btn--secondary {
  background: transparent;
  color: var(--fg-primary);
  border: 1px solid var(--hairline-strong);
}
.btn--secondary:hover { background: var(--bg-muted); }
.btn--accent { background: var(--brand-accent); color: #FFFFFF; }
.btn--accent:hover { background: var(--brand-accent-hover); }

/* ── 글로벌 레퍼런스 = 큰 카드 + 설명 ── */
.ref-group { margin-bottom: 36px; }
.ref-group:last-child { margin-bottom: 0; }
.ref-group__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
  gap: 16px;
  flex-wrap: wrap;
}
.ref-group__left {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.ref-group__title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg-primary);
  letter-spacing: -0.01em;
}
.ref-group__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.ref-group__guide {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--brand-accent);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--brand-accent);
  transition: all var(--duration-fast) var(--ease-out);
}
.ref-group__guide:hover {
  background: var(--brand-accent-hover);
  border-color: var(--brand-accent-hover);
}
.ref-group__desc {
  flex-basis: 100%;
  font-size: 13px;
  color: var(--fg-secondary);
  line-height: 1.55;
  margin-top: 8px;
}

/* ── Design Systems = 큰 카드 + 사이트 미리보기 ── */
.ref-card--featured .ref-card__shot {
  position: relative;
  aspect-ratio: 16 / 5;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
  display: block;
}
.ref-card--featured .ref-card__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  display: block;
}
.ref-card--featured .ref-card__shot--loaded img { opacity: 1; }
.ref-card--featured .ref-card__shot::before {
  content: 'loading…';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.ref-card--featured .ref-card__shot--loaded::before,
.ref-card--featured .ref-card__shot--fallback::before { content: ''; }
.ref-card--featured .ref-card__body {
  padding: 16px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ref-card--featured .ref-card__link {
  padding: 0;
  min-height: 0;
  display: block;
}
.ref-card__bottom {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: 4px;
}
.ref-card__visit-cta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--fg-primary);
  white-space: nowrap;
}
.ref-card--featured:hover .ref-card__visit-cta { color: var(--brand-accent); }

/* ── 참고 링크 = 타원형 버튼 ── */
.ref-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ref-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #FFFFFF;
  border: 1px solid var(--hairline);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-primary);
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
}
.ref-pill:hover {
  border-color: var(--fg-primary);
  background: var(--bg-muted);
}
.ref-pill__dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(10, 10, 14, 0.1);
  flex-shrink: 0;
}
.ref-pill__arrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--fg-muted);
  padding-left: 4px;
  border-left: 1px solid var(--hairline);
  margin-left: 2px;
}
.ref-pill:hover .ref-pill__arrow { color: var(--brand-accent); }
.ref-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 1100px) { .ref-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .ref-grid { grid-template-columns: 1fr; } }

.ref-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--hairline);
  transition: all var(--duration-fast) var(--ease-out);
  border-radius: 0;
}
.ref-card:hover {
  border-color: var(--fg-primary);
}
.ref-card__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  color: var(--fg-primary);
  text-decoration: none;
  min-height: 88px;
}
.ref-card__link:hover { background: var(--bg-muted); }
.ref-card__download {
  position: absolute;
  top: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--brand-accent);
  border: 1px solid var(--brand-accent);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  z-index: 2;
  transition: all var(--duration-fast) var(--ease-out);
  line-height: 1;
}
.ref-card__download-icon { font-size: 13px; line-height: 1; }
.ref-card__download:hover {
  background: var(--brand-accent-hover);
  border-color: var(--brand-accent-hover);
}
.ref-card__download:active { transform: scale(0.96); }
.ref-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.ref-card__name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.3;
}
.ref-card__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fg-muted);
  flex-shrink: 0;
}
.ref-card:hover .ref-card__arrow { color: var(--brand-accent); }
.ref-card__desc {
  font-size: 12.5px;
  color: var(--fg-secondary);
  line-height: 1.5;
}
.ref-card__url {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  margin-top: auto;
  padding-top: 4px;
}
.ref-card__palette {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 12px;
}
.ref-color {
  width: 18px;
  height: 18px;
  display: inline-block;
  border: 1px solid rgba(10, 10, 14, 0.08);
  flex-shrink: 0;
}
.ref-card__style {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-left: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── 토스트 ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--fg-primary);
  color: #FFFFFF;
  padding: 10px 18px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out);
  z-index: 200;
}
.toast[data-visible="true"] {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── 푸터 ── */
.site-footer {
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
}
.site-footer__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}