:root {
  --gx-bg: #f5f5f5;
  --gx-bg-alt: #ffffff;
  --gx-text: #101010;
  --gx-muted: #5f5f5f;
  --gx-border: #e1e1e1;
  --gx-container: 960px;
}

/* 기본 세팅 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background-color: var(--gx-bg);
  color: var(--gx-text);
}

/* 공통 레이아웃 */
.gx-root {
  min-height: 100vh;
}

.gx-container {
  max-width: var(--gx-container);
  margin: 0 auto;
  padding: 0 20px;
}

/* 헤더 */
.gx-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(245, 245, 245, 0.96);
  border-bottom: 1px solid rgba(209, 213, 219, 0.8);
}

.gx-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.gx-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gx-logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid #111;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.gx-logo-text {
  font-size: 14px;
  letter-spacing: 0.16em;
}

.gx-nav {
  display: flex;
  gap: 14px;
}

.gx-nav-link {
  font-size: 13px;
  text-decoration: none;
  color: #555;
  padding: 4px 8px;
  border-radius: 999px;
  transition: background-color 0.16s ease-out, color 0.16s ease-out;
}

.gx-nav-link:hover {
  background-color: #111;
  color: #f5f5f5;
}

/* HERO */
.gx-hero {
  position: relative;
  height: 70vh;
  background-image: url("https://images.unsplash.com/photo-1519681393784-d120267933ba?auto=format&fit=crop&w=1600&q=80");
  background-size: cover;
  background-position: center;
}

.gx-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(245, 245, 245, 0.96),
    rgba(245, 245, 245, 0.9),
    rgba(245, 245, 245, 0.8)
  );
}

.gx-hero-inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.gx-hero-text {
  max-width: 540px;
}

.gx-eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #7a7a7a;
}

.gx-hero-title {
  margin: 0 0 10px;
  font-size: clamp(30px, 3.1vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.gx-hero-subtitle-line {
  display: block;
  margin-top: 4px;
  font-size: 18px;
  font-weight: 400;
}

.gx-hero-meta {
  margin: 0;
  font-size: 14px;
  color: var(--gx-muted);
}

/* 섹션 공통 */
.gx-section {
  padding: 54px 0 58px;
}

.gx-section-alt {
  background-color: var(--gx-bg-alt);
}

.gx-section-inner {
  max-width: 820px;
  margin: 0 auto;
}

.gx-section-header {
  margin-bottom: 16px;
}

.gx-section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
}

.gx-section-title {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.02em;
}

.gx-caption {
  margin: 0;
  font-size: 14px;
  color: var(--gx-muted);
}

/* 본문 텍스트 */
.gx-body {
  margin: 0 0 12px;
  font-size: 16px;
  color: #222;
}

.gx-body-small {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--gx-muted);
}

/* Large image + Quote */
.gx-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.gx-photo {
  width: 100%;
  height: 360px;
  background-size: cover;
  background-position: center;
}

.gx-photo-1 {
  background-image: url("https://images.unsplash.com/photo-1487412720507-e7ab37603c6f?auto=format&fit=crop&w=1200&q=80");
  filter: grayscale(100%);
}

.gx-quote-block {
  border-top: 1px solid #cfcfcf;
  padding-top: 16px;
}

.gx-quote {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.5;
}

.gx-quote-meta {
  margin: 0;
  font-size: 13px;
  color: var(--gx-muted);
}

/* SERIES GRID */
.gx-series-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.gx-series {
  border-top: 1px solid var(--gx-border);
  padding-top: 10px;
}

.gx-series-photo {
  width: 100%;
  height: 160px;
  background-size: cover;
  background-position: center;
  margin-bottom: 10px;
  filter: grayscale(100%);
}

.gx-series-photo-1 {
  background-image: url("https://images.unsplash.com/photo-1469474968028-56623f02e42e?auto=format&fit=crop&w=900&q=80");
}

.gx-series-photo-2 {
  background-image: url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=900&q=80");
}

.gx-series-photo-3 {
  background-image: url("https://images.unsplash.com/photo-1500043201641-25ab2b9b8a34?auto=format&fit=crop&w=900&q=80");
}

.gx-series-title {
  margin: 0 0 4px;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ARTIST */
.gx-artist-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 32px;
  align-items: center;
}

.gx-artist-photo {
  width: 100%;
  height: 260px;
  background-image: url("https://images.unsplash.com/photo-1487412720507-e7ab37603c6f?auto=format&fit=crop&w=900&q=80");
  background-size: cover;
  background-position: center;
  filter: grayscale(100%);
}

/* VISIT */
.gx-visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 32px;
}

.gx-info-block {
  margin-top: 12px;
  border-top: 1px solid var(--gx-border);
  padding-top: 10px;
}

.gx-info-line {
  margin: 0 0 6px;
  font-size: 14px;
}

.gx-info-line span {
  display: inline-block;
  min-width: 60px;
  font-weight: 500;
}

/* VISIT subtitle */
.gx-subtitle {
  margin: 0 0 8px;
  font-size: 16px;
}

/* FOOTER */
.gx-footer {
  border-top: 1px solid rgba(209, 213, 219, 0.9);
  padding: 18px 0 22px;
  background-color: #f9fafb;
}

.gx-footer-inner {
  max-width: var(--gx-container);
  margin: 0 auto;
  padding: 0 20px;
}

.gx-footer-text {
  margin: 0;
  font-size: 12px;
  color: #6b6b6b;
}

/* 반응형 */
@media (max-width: 900px) {
  .gx-section {
    padding: 48px 0 52px;
  }

  .gx-split,
  .gx-artist-grid,
  .gx-visit-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .gx-series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gx-photo {
    height: 300px;
  }
}

@media (max-width: 640px) {
  .gx-header-inner {
    height: 56px;
  }

  .gx-nav {
    display: none; /* 모바일에선 간단히 숨김 (정적 시안용) */
  }

  .gx-hero {
    height: 60vh;
  }

  .gx-section {
    padding: 40px 0 44px;
  }

  .gx-series-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .gx-container {
    padding: 0 16px;
  }
}