/* 물댄동산교회 - 물댄동산성경 앱과 통일된 디자인 시스템
   (zinc 기반 모노톤 + 라이트/다크 모드, app/globals.css 및 Tailwind 팔레트와 정렬) */

:root {
  /* colors (light) */
  --primary: #18181b;
  --primary-active: #27272a;
  --ink: #18181b;
  --body-strong: #27272a;
  --body: #3f3f46;
  --muted: #71717a;
  --muted-soft: #a1a1aa;
  --hairline: rgba(0, 0, 0, 0.1);
  --hairline-soft: rgba(0, 0, 0, 0.06);
  --canvas: #ffffff;
  --canvas-translucent: rgba(255, 255, 255, 0.95);
  --surface-soft: #fafafa;
  --surface-card: #f4f4f5;
  --surface-strong: #e4e4e7;
  --on-primary: #ffffff;
  --accent: #b45309;
  --accent-soft: #fffbeb;

  /* type */
  --display: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sans: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* radius */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 10px;
  --r-xl: 14px;
  --r-pill: 9999px;

  /* spacing */
  --sp-xs: 8px;
  --sp-sm: 12px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-xxl: 48px;
  --sp-section: 96px;

  --max-width: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #f4f4f5;
    --primary-active: #e4e4e7;
    --ink: #f4f4f5;
    --body-strong: #e4e4e7;
    --body: #d4d4d8;
    --muted: #a1a1aa;
    --muted-soft: #71717a;
    --hairline: rgba(255, 255, 255, 0.1);
    --hairline-soft: rgba(255, 255, 255, 0.06);
    --canvas: #0a0a0a;
    --canvas-translucent: rgba(9, 9, 11, 0.95);
    --surface-soft: #18181b;
    --surface-card: #202023;
    --surface-strong: #27272a;
    --on-primary: #18181b;
    --accent: #fbbf24;
    --accent-soft: rgba(251, 191, 36, 0.12);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--body);
  background: var(--canvas);
  line-height: 1.55;
  font-size: 16px;
}

a {
  color: var(--ink);
}

img {
  max-width: 100%;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / top-nav */

.site-header {
  background: var(--canvas-translucent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.site-title {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--ink);
  cursor: pointer;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: inline-block;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  transition: background-color 0.15s, color 0.15s;
}

.main-nav a:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.main-nav a[aria-current="page"] {
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
}

.has-dropdown {
  position: relative;
}

.has-dropdown .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin: 4px 0 0;
  padding: 6px;
  min-width: 180px;
  list-style: none;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  z-index: 20;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.dropdown-menu a:hover {
  background: var(--surface-soft);
  color: var(--ink);
  font-weight: 500;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 12px 20px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
}

.btn-primary:hover {
  background: var(--primary-active);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline);
}

.btn-secondary:hover {
  background: var(--surface-soft);
}

/* Hero */

.hero {
  padding: var(--sp-xxl) 0 var(--sp-xl);
  text-align: center;
}

.hero h1 {
  font-family: var(--display);
  font-size: 48px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin: 0 0 20px;
  color: var(--ink);
}

.hero .verse {
  font-size: 18px;
  font-weight: 500;
  color: var(--body-strong);
  max-width: 560px;
  margin: 0 auto 8px;
}

.hero .verse-ref {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-top: 10px;
}

.hero .btn {
  margin-top: 28px;
}

/* Page header (non-home) */

.page-header {
  padding: var(--sp-xl) 0 var(--sp-lg);
  border-bottom: 1px solid var(--hairline);
}

.page-header h1 {
  font-family: var(--display);
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.8px;
  margin: 0;
  color: var(--ink);
}

.page-header p {
  color: var(--muted);
  margin-top: 10px;
  margin-bottom: 0;
  font-size: 16px;
}

/* Sections */

main {
  padding: var(--sp-xl) 0 var(--sp-section);
}

section + section {
  margin-top: var(--sp-xxl);
}

section h2 {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin-bottom: var(--sp-lg);
}

section h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 8px;
}

section p {
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: -0.1px;
  margin: 0 0 1.2em;
}

.lead {
  font-size: 17px;
  font-weight: 500;
  color: var(--body-strong);
}

.verse-cite {
  font-size: 13px;
  color: var(--muted);
  margin-top: -6px;
}

/* Feature cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
}

.card,
.card--pink,
.card--teal,
.card--lavender,
.card--peach,
.card--ochre,
.card--mint {
  background: var(--surface-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  color: var(--body);
}

.card h3,
.card--pink h3,
.card--teal h3,
.card--lavender h3,
.card--peach h3,
.card--ochre h3,
.card--mint h3 {
  margin-top: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.card p,
.card--pink p,
.card--teal p,
.card--lavender p,
.card--peach p,
.card--ochre p,
.card--mint p {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.6;
}

.card a,
.card--pink a,
.card--teal a,
.card--lavender a,
.card--peach a,
.card--ochre a,
.card--mint a {
  color: var(--ink);
  font-weight: 600;
}

/* Timeline */

.timeline {
  list-style: none;
  padding: 0;
  border-left: 2px solid var(--hairline);
  margin-left: 6px;
}

.timeline li {
  position: relative;
  padding: 0 0 22px 26px;
  font-size: 15px;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--canvas);
}

.timeline .date {
  font-weight: 700;
  color: var(--ink);
  margin-right: 10px;
}

.timeline-note {
  margin-top: var(--sp-md);
  padding: 14px 18px;
  background: var(--surface-card);
  border-radius: var(--r-md);
  color: var(--muted);
  font-size: 14px;
}

/* Tables (worship schedule) */

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: var(--sp-sm);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 16px;
  border-bottom: 1px solid var(--hairline);
  font-size: 15px;
}

tr:last-child td {
  border-bottom: none;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  background: var(--surface-soft);
}

.placeholder {
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
}

/* Info box (location/contact) */

.info-box {
  background: var(--surface-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: var(--sp-xl);
}

.info-box dt {
  font-weight: 700;
  color: var(--ink);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 18px;
}

.info-box dt:first-child {
  margin-top: 0;
}

.info-box dd {
  margin: 6px 0 0;
  color: var(--body);
  font-size: 16px;
}

.info-box dd a {
  color: var(--ink);
}

.address-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.copy-btn {
  flex-shrink: 0;
  padding: 3px 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  background: var(--canvas);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.copy-btn:hover {
  background: var(--surface-strong);
  color: var(--ink);
  border-color: var(--muted-soft);
}

.map-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-top: var(--sp-lg);
}

/* Footer */

.site-footer {
  background: var(--surface-soft);
  border-top: 1px solid var(--hairline);
  padding: var(--sp-xl) 0;
  color: var(--muted);
  font-size: 14px;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
    position: absolute;
    left: 0;
    top: 56px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
  }

  .main-nav.open {
    display: block;
  }

  .site-header .container {
    flex-wrap: wrap;
    position: relative;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav li {
    border-top: 1px solid var(--hairline-soft);
  }

  .main-nav a {
    display: block;
    padding: 14px 24px;
    border-radius: 0;
  }

  .has-dropdown .dropdown-menu {
    display: block;
    position: static;
    margin: 0;
    padding: 0;
    border: none;
    box-shadow: none;
    background: var(--surface-soft);
  }

  .dropdown-menu a {
    padding: 12px 24px 12px 40px;
    font-size: 13px;
    border-radius: 0;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero {
    padding: var(--sp-xl) 0 var(--sp-lg);
  }

  section h2 {
    font-size: 22px;
  }

  main {
    padding: var(--sp-lg) 0 var(--sp-xxl);
  }

  section + section {
    margin-top: var(--sp-xl);
  }
}