:root {
  --bg: #ffffff;     /* style3 기본 배경을 맞춤 (모드별로 덮어써짐) */
  --card: #f0f4ff;
  --muted: #5a6b85;
  --text: #1a2b4c;
  --brand: #0056ff;
  --brand-2: #007bff;
  --stroke: #cfd8ff;
  --shadow: 0 2px 8px rgba(0,0,0,.1);
  --radius: 16px;
}

/* 기본 리셋 & 레이아웃 */
* { box-sizing: border-box; }
html, body { height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", Arial, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1200px, 92vw); margin: 0 auto; }

header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: saturate(120%) blur(6px);
  /* background: color-mix(in srgb, var(--card) 92%, transparent 8%); */
  /* background: var(--card); */
  background: #ffffff;
  /* backdrop-filter: saturate(140%) blur(8px);  */
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand img { height: 35px; width: auto; display:block; }

/* 메뉴 및 햄버거 */
.menubar {
  display: flex;
  gap: 18px;
  align-items: center;
}
.menubar a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}
.menubar a:hover, .menubar a[aria-current="page"] {
  color: var(--text);
  background: rgba(0,0,0,0.04);
}

.menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  flex-direction: column;
  background: color-mix(in srgb, var(--card) 96%, transparent 4%);
  border-bottom: 1px solid var(--stroke);
  box-shadow: 0 4px 10px rgba(0,0,0,0.06);
  animation: slideDown 0.25s ease;
  z-index: 40;
}

.menu a {
  padding: 14px 40px;
  border-bottom: 1px solid var(--stroke);
  font-size: 15px;
  color: var(--text);
  text-align: right;
}
.menu a:hover {
  background: rgba(0,0,0,0.05);
}

.menu.active {
  display: flex;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 햄버거 버튼 */
.menu-toggle {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text);
  cursor: pointer;
  display: none;
}

/* 검색창(헤더 바로 아래 고정) */
.search-fixed {
  position: sticky;
  top: calc( var(--header-height, 68px) );
  z-index: 90;
  /* leave visual style aligned with theme */
  background: color-mix(in srgb, var(--bg) 96%, transparent 4%);
  background: var(--bg); /* fallback */
  padding-top: 6px;
  padding-bottom: 8px;
}

/* Hero (패딩: header + search 높이 고려) */
.hero {
  padding: 120px 0 36px;
  text-align: center;
}
.hero h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; margin: 0 0 16px; }
.hero p { margin: 0; color: var(--muted); font-size: clamp(14px, 2vw, 18px); margin-bottom: 10px;}

/* Search 내부 스타일 */
.search {
  margin: 0 auto;
  width: min(800px, 92vw);
  background: color-mix(in srgb, var(--card) 94%, transparent 6%);
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  box-shadow: var(--shadow);
}
.search input {
  flex: 1;
  padding: 14px 14px;
  border: 0;
  outline: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 16px;
}
.search button {
  border: 0;
  padding: 12px 16px;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
  color: white;
  font-weight: 700;
  cursor: pointer;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; justify-content: center; }
.chip {
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
  background: color-mix(in srgb, var(--card) 92%, transparent 8%);
  border: 1px solid var(--stroke);
  padding: 6px 10px;
  border-radius: 999px;
}

/* 섹션 / 그리드 / 카드 */
.section { padding: 36px 0; }
.section h2 { margin: 0 0 16px; font-size: 22px; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card {
  grid-column: span 12;
  background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.005));
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--brand) 40%, var(--stroke) 60%);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}

.card:active {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
}

@media (min-width: 640px) { .card { grid-column: span 6; } }
@media (min-width: 960px) { .card { grid-column: span 4; } }
.card h3 { margin: 6px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.links { padding-top: 5px; }
.pill { display: inline-block; padding: 6px 10px; border-radius: 999px; background: color-mix(in srgb, var(--brand) 10%, transparent 90%); border: 1px solid color-mix(in srgb, var(--brand) 30%, transparent 70%); font-size: 12px; }

/* 두 컬럼 영역 */
.cols { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 960px) { .cols { grid-template-columns: 1.2fr .8fr; } }
.panel { background: var(--card); border: 1px solid var(--stroke); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.panel h3 { margin: 0 0 8px; font-size: 18px; }
.panel p { margin: 4px 0 12px; color: var(--muted); }
.list { display: grid; gap: 10px; }
.list a { display: flex; justify-content: space-between; align-items: center; padding: 12px; border-radius: 12px; background: color-mix(in srgb, var(--card) 96%, transparent 4%); border: 1px solid var(--stroke); }
.list a span.small { color: var(--muted); font-size: 12px; }

/* Support CTA */
.support { display: grid; gap: 12px; grid-template-columns: repeat(3, 1fr); }
.support .btn { display: grid; place-items: center; padding: 16px; border-radius: 14px; background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.01)); border: 1px solid var(--stroke); font-weight: 700; text-align: center; }

/* Footer */
footer { margin-top: 40px; border-top: 1px solid var(--stroke); padding: 24px 0 60px; color: var(--muted); font-size: 14px; text-align: center; }

/* -------------------------
   Breakpoint: max-width 960px (중간)
   ------------------------- */
@media (max-width: 960px) {
  /* .menu { display: none; }
  .menu.active { 
    display: flex; 
    flex-direction: column; 
    width: 100%;
    background: color-mix(in srgb, var(--card) 96%, transparent 4%);
    padding: 10px 0;
  }
  .menu a { padding: 10px; font-size: 15px; } */
  .menubar {display: none;}
  .menu-toggle { display: block; }
}

/* -------------------------
   Mobile: max-width 640px (iPhone SE 등)
   폰트·버튼·레이아웃 최적화
   ------------------------- */
@media (max-width: 640px) {
  .container { width: 94vw; }
  /* 헤더 높이(작게) */
  .nav { padding: 10px 0; }
  .brand img { height: 30px; }
  .hero { padding: 96px 0 28px; }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 13px; }

  .search { flex-direction: column; padding: 8px; gap: 8px; }
  .search input { width: 100%; font-size: 14px; padding: 10px; }
  .search button { width: 100%; font-size: 14px; padding: 10px 0; border-radius: 10px; }

  .grid { grid-template-columns: 1fr; }
  .card { padding: 12px; }
  .panel { padding: 12px; }
  .panel h3, .card h3 { font-size: 16px; }
  .panel p, .card p { font-size: 13px; }

  .list a { flex-direction: column; align-items: flex-start; gap: 4px; font-size: 14px; }
  .support { grid-template-columns: 1fr; gap: 10px; }
  .support .btn { font-size: 14px; padding: 12px; }

  footer { font-size: 13px; padding: 18px 0 36px; }
}