/* ==========================================================================
   성주대재보존회 - Design Tokens & Base Styles
   ========================================================================== */

:root {
  /* Color */
  --ink: #1C1A18;          /* 묵색 - 메인 텍스트, 헤더 */
  --paper: #F5F1E8;        /* 한지색 - 배경 */
  --paper-deep: #ECE6D8;   /* 한지색 진한 톤 - 섹션 구분 배경 */
  --danchong: #8C2F1E;     /* 단청 적색 - 포인트 */
  --danchong-dim: #8C2F1E1a; /* 단청 적색 투명 */
  --gold: #A8915C;         /* 금동색 - 보조 포인트 */
  --stone: #5C5650;        /* 회갈색 - 본문 보조 텍스트 */
  --line: #D8D0BE;         /* 구분선 */
  --white: #FFFFFF;

  /* Type */
  --font-display: "Noto Serif KR", serif;
  --font-body: "Noto Sans KR", sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  /* Layout */
  --content-width: 1140px;
  --content-narrow: 760px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  letter-spacing: 0.01em;
}

p { margin: 0; }

ul { margin: 0; padding: 0; list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--danchong);
  outline-offset: 3px;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.wrap-narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-6) 0;
}

.section-deep {
  background: var(--paper-deep);
}

/* Signature divider — stylized eave/dancheong motif line */
.motif-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-4) 0;
  height: 28px;
}
.motif-divider svg {
  width: 120px;
  height: 24px;
  color: var(--gold);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  color: var(--danchong);
  font-weight: 700;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--danchong);
}

.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  margin-bottom: var(--space-3);
}

.section-lead {
  color: var(--stone);
  font-size: 1.05rem;
  max-width: 640px;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  transition: box-shadow 0.3s ease;
}
.site-header.is-scrolled {
  box-shadow: 0 2px 16px rgba(28, 26, 24, 0.08);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  white-space: nowrap;
  color: inherit;
}
.brand .brand-logo {
  height: 44px;
  width: auto;
  display: block;
  flex-shrink: 0;
  /* 로고 이미지 배경(아이보리)이 투명 헤더일 때 살짝 떠 보이지 않도록 다듬어줌 */
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.18));
}

.main-nav {
  display: flex;
  gap: var(--space-4);
}
.main-nav > li {
  position: relative;
}
.main-nav > li > a {
  font-size: 0.96rem;
  font-weight: 500;
  padding: 1.6rem 0;
  display: block;
  position: relative;
  color: inherit;
}
.main-nav > li > a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 1.3rem;
  width: 0%;
  height: 2px;
  background: var(--danchong);
  transition: width 0.25s ease;
}
.main-nav > li > a:hover::after,
.main-nav > li.is-active > a::after {
  width: 100%;
}

.sub-nav {
  position: fixed;
  top: 84px;
  left: 0;
  right: 0;
  width: 100%;
  margin: 0;
  padding: 0.9rem 0;
  list-style: none;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 24px rgba(28, 26, 24, 0.06);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;

  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-5);
}
.sub-nav li {
  margin: 0;
  padding: 0;
}
.main-nav > li:hover .sub-nav,
.main-nav > li:focus-within .sub-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.sub-nav li a {
  display: block;
  padding: 0.4rem 0;
  font-size: 0.94rem;
  color: var(--ink);
  white-space: nowrap;
  position: relative;
}
.sub-nav li a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 2px;
  background: var(--danchong);
  transition: width 0.2s ease;
}
.sub-nav li a:hover {
  color: var(--danchong);
}
.sub-nav li a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 65%;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28,26,24,0.18) 0%, rgba(28,26,24,0.12) 38%, rgba(28,26,24,0.74) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-bottom: var(--space-6);
}
.hero-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: var(--space-2);
  font-weight: 600;
}
.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  line-height: 1.25;
  color: var(--white);
  text-shadow: 0 2px 24px rgba(0,0,0,0.25);
}
.hero-desc {
  margin-top: var(--space-3);
  max-width: 560px;
  font-size: 1.05rem;
  color: rgba(255,255,255,0.88);
}
.hero-scroll {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-4);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.75);
}
.hero-scroll .line {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.5);
  position: relative;
  overflow: hidden;
}
.hero-scroll .line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0; right: 0;
  height: 50%;
  background: var(--white);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-scroll .line::after { animation: none; top: 0; }
}

/* ==========================================================================
   Cards / Grid
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: var(--space-4);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 32px rgba(28,26,24,0.07);
}
.info-card .num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.info-card h3 {
  font-size: 1.2rem;
  margin: var(--space-2) 0 var(--space-1);
}
.info-card p {
  color: var(--stone);
  font-size: 0.95rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid currentColor;
  transition: background 0.25s ease, color 0.25s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--danchong);
  border-color: var(--danchong);
}
.btn-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--ink);
  color: rgba(245,241,232,0.78);
  padding: var(--space-6) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(245,241,232,0.14);
}
.footer-brand {
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.2rem;
  margin-bottom: var(--space-2);
}
.footer-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 420px;
  color: rgba(245,241,232,0.6);
}
.footer-col h4 {
  color: var(--paper);
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
  font-weight: 600;
}
.footer-col li {
  margin-bottom: 0.6rem;
  font-size: 0.88rem;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  font-size: 0.8rem;
  color: rgba(245,241,232,0.45);
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* ==========================================================================
   Page header (sub pages)
   ========================================================================== */

.page-header {
  position: relative;
  padding: 170px 0 var(--space-5);
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 20%, rgba(168,145,92,0.18), transparent 55%);
}
.page-header .wrap { position: relative; z-index: 1; }
.breadcrumb {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-2);
  letter-spacing: 0.04em;
}
.breadcrumb a:hover { color: var(--gold); }
.page-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--white);
}
.page-tabs {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: var(--space-3);
  flex-wrap: wrap;
}
.page-tabs a {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.6);
  padding-bottom: 0.4rem;
  border-bottom: 2px solid transparent;
}
.page-tabs a:hover,
.page-tabs a.is-active {
  color: var(--white);
  border-color: var(--gold);
}

/* ==========================================================================
   Content (prose) page styles
   ========================================================================== */

.content-section {
  padding: var(--space-6) 0;
}
.prose h2 {
  font-size: 1.5rem;
  margin: var(--space-5) 0 var(--space-2);
  padding-top: var(--space-2);
}
.prose h2:first-child { margin-top: 0; }
.prose p {
  margin-bottom: var(--space-3);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.9;
}
.prose p.lead {
  font-size: 1.1rem;
  color: var(--stone);
}

.figure-cite {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  margin: var(--space-5) 0;
  padding: var(--space-4);
  background: var(--white);
  border-left: 3px solid var(--danchong);
}
.figure-cite img {
  width: 220px;
  flex-shrink: 0;
}
.figure-cite .cap {
  font-size: 0.95rem;
  color: var(--stone);
}

.quote-block {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--space-5) 0;
  margin: var(--space-5) 0;
}
.quote-block p {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 2.1;
  color: var(--ink);
  white-space: pre-line;
}

/* Profile block (총무원장 소개) */
.profile-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-5);
  align-items: start;
}
.profile-photo {
  aspect-ratio: 3/4;
  background: var(--paper-deep);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--stone);
  font-size: 0.85rem;
}
.profile-list li {
  display: flex;
  gap: var(--space-3);
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.profile-list li:first-child { padding-top: 0; }
.profile-list .yr {
  color: var(--gold);
  font-weight: 600;
  flex-shrink: 0;
  width: 70px;
}

/* Org chart */
.org-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-5) 0;
}
.org-row {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}
.org-node {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0.9rem 1.6rem;
  font-size: 0.92rem;
  text-align: center;
  font-weight: 600;
}
.org-node.is-root {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.org-connector {
  width: 1px;
  height: 24px;
  background: var(--line);
}

/* ==========================================================================
   Video board (성주대재보존회 행사)
   ========================================================================== */

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
}
.video-card {
  background: var(--white);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 32px rgba(28,26,24,0.08);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--ink);
  overflow: hidden;
}
.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.video-thumb .play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-thumb .play svg {
  width: 52px; height: 52px;
  color: var(--white);
  filter: drop-shadow(0 2px 10px rgba(0,0,0,0.4));
  transition: transform 0.2s ease;
}
.video-card:hover .play svg { transform: scale(1.1); }
.video-body {
  padding: var(--space-3);
}
.video-body .v-date {
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.05em;
  font-weight: 600;
}
.video-body h3 {
  font-size: 1.02rem;
  margin-top: 0.4rem;
  font-weight: 500;
  line-height: 1.5;
}

.video-modal {
  position: fixed;
  inset: 0;
  background: rgba(20,18,16,0.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.video-modal.is-open { display: flex; }
.video-modal-inner {
  width: 100%;
  max-width: 920px;
  aspect-ratio: 16/9;
  background: #000;
  position: relative;
}
.video-modal-inner iframe {
  width: 100%; height: 100%;
  border: 0;
}
.video-modal-close {
  position: absolute;
  top: -44px; right: 0;
  color: var(--white);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   Map section (신고달사)
   ========================================================================== */

.map-frame {
  width: 100%;
  height: 420px;
  border: 1px solid var(--line);
  filter: grayscale(0.15) contrast(1.02);
}
.map-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.map-info .addr-label {
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  font-weight: 700;
}
.map-info .addr {
  font-size: 1.05rem;
  margin-top: 0.3rem;
}

/* Temple gallery strip */
.gallery-strip {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: repeat(2, 220px);
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.gallery-strip .g-item {
  overflow: hidden;
  background: var(--paper-deep);
}
.gallery-strip .g-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-strip .g-item:hover img { transform: scale(1.06); }
.gallery-strip .g-item:first-child {
  grid-row: span 2;
}

/* ==========================================================================
   News list (큰스님말씀 등)
   ========================================================================== */

.news-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
  gap: var(--space-3);
}
.news-list li:first-child { border-top: 1px solid var(--line); }
.news-list a {
  font-size: 1rem;
  flex: 1;
}
.news-list a:hover { color: var(--danchong); }
.news-list .n-date {
  font-size: 0.85rem;
  color: var(--stone);
  flex-shrink: 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 980px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .footer-brand-block { grid-column: 1 / -1; }
  .gallery-strip { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, 180px); }
  .gallery-strip .g-item:first-child { grid-row: span 1; grid-column: span 2; }
}

@media (max-width: 760px) {
  .wrap, .wrap-narrow { padding: 0 var(--space-3); }

  .main-nav { display: none; }
  .nav-toggle { display: block; }

  .main-nav.is-mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0;
    width: min(82vw, 320px);
    height: 100vh;
    background: var(--paper);
    padding: 100px var(--space-3) var(--space-3);
    box-shadow: -10px 0 30px rgba(0,0,0,0.12);
    gap: 0;
    overflow-y: auto;
  }
  .main-nav.is-mobile-open > li { width: 100%; border-bottom: 1px solid var(--line); }
  .main-nav.is-mobile-open > li > a {
    padding: 1rem 0;
    color: var(--ink);
    text-shadow: none;
  }
  .main-nav.is-mobile-open > li > a::after { display: none; }
  .sub-nav {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border: 0;
    box-shadow: none;
    padding: 0 0 0.5rem 1rem;
  }
  .main-nav.is-mobile-open li.is-expanded .sub-nav { display: flex; }
  .sub-nav li a {
    padding: 0.6rem 0;
  }
  .sub-nav li a::after {
    display: none;
  }

  .hero-title { font-size: clamp(1.8rem, 8vw, 2.6rem); }
  .hero-scroll { display: none; }

  .card-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-4); }

  .profile-block { grid-template-columns: 1fr; }
  .profile-photo { max-width: 220px; }

  .gallery-strip { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, 140px); }

  .figure-cite { flex-direction: column; }
  .figure-cite img { width: 100%; }

  .map-info { flex-direction: column; }

  .page-header { padding: 130px 0 var(--space-4); }
  .page-tabs { gap: var(--space-3); overflow-x: auto; }
}