:root{
  /* =========================================================
    Core Tokens (Single Theme, Token-driven)
    - 색상 변경은 :root 토큰만 바꾸는 방식으로 운영
  ========================================================= */

  /* Base */
  --bg: #07070a;
  --surface: rgba(255,255,255,.06);
  --surface-2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --border: rgba(255,255,255,.14);

  /* Accent / Brand */
  --accent: #ffffff;          /* 텍스트/라인 강조 */
  --accent-2: #b9c0ff;        /* 보조 강조 */
  --brand: #a855f7;           /* 대표 포인트 */
  --brand-2: #22d3ee;         /* 보조 포인트 */

  /* State */
  --success: #34d399;
  --warning: #fbbf24;
  --danger:  #fb7185;

  /* Effects */
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --glow: 0 0 24px rgba(168,85,247,.22); /* brand 기반 */

  /* Radius */
  --radius: 22px;
  --radius-sm: 14px;

  /* Typography */
  --font: ui-sans-serif, system-ui, -apple-system, "Pretendard", "Noto Sans KR", "Segoe UI", Roboto, Arial, sans-serif;
  --fs-base: clamp(15px, 1.2vw, 16.5px);
  --lh: 1.65;

  /* Layout */
  --pad-x: clamp(16px, 2.2vw, 44px);
  --header-h: 74px;
  --container: 1360px;
  --readable: 860px;
}

/* =========================
Base Reset
========================= */
*{ box-sizing: border-box; }
html, body{ height: 100%; }

body{
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: var(--lh);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video{
  max-width: 100%;
  height: auto;
  display: block;
}

a{
  color: inherit;
}

::selection{
  background: rgba(168,85,247,.28);
}

/* 키보드 포커스(접근성) */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.icon-btn:focus-visible{
  outline: 2px solid rgba(34,211,238,.65);
  outline-offset: 3px;
}

/* =========================
Full-width Base Layout
========================= */
.wrap{
  width: min(var(--container), 100%);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.readable{
  width: min(var(--readable), 100%);
  margin-left: auto;
  margin-right: auto;
}

/* 공통 섹션 간격 */
.section{
  padding: clamp(42px, 6vw, 92px) 0;
}

/* =========================
Header
========================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(0,0,0,.40);
}

.header-inner{
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}

.header-left{ justify-self: start; }
.header-center{ justify-self: center; }
.header-right{ justify-self: end; display:flex; align-items:center; gap: 10px; }

.site-logo a{
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-logo img{
  max-height: 34px;
  width: auto;
}

/* =========================
Icon Button
========================= */
.icon-btn{
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, transform .06s ease;
}

.icon-btn:hover{
  background: var(--surface-2);
  border-color: rgba(255,255,255,.22);
}

.icon-btn:active{
  transform: translateY(1px);
}

/* =========================
Offcanvas Nav
========================= */
.nav-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
  z-index: 60;
}

.nav-panel{
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(420px, 92vw);
  background: rgba(10,10,14,.92);
  border-left: 1px solid var(--border);
  transform: translateX(105%);
  transition: transform .28s ease;
  z-index: 70;
  padding: 18px;
  backdrop-filter: blur(14px);
}

body.nav-open .nav-overlay{
  opacity: 1;
  pointer-events: auto;
}
body.nav-open .nav-panel{
  transform: translateX(0);
}

/* GeneratePress: 컨테이너/패딩 제거(랜딩형) */
.separate-containers .site-main{
  margin: 0 !important;
}
.separate-containers .site-content{
  padding: 0 !important;
}
.separate-containers .inside-article,
.separate-containers .page-header,
.separate-containers .comments-area{
  margin: 0 !important;
  padding: 0 !important;
}
body.home.separate-containers .site-main{ margin:0 !important; }
body.home.separate-containers .site-content{ padding:0 !important; }

.nav-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.nav-title{
  font-weight: 800;
  letter-spacing: .02em;
}

.nav-menu{
  padding: 12px 0 14px;
}

.nav-menu a{
  display: block;
  padding: 12px 10px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .16s ease, border-color .16s ease;
}

.nav-menu a:hover{
  background: var(--surface);
  border-color: var(--border);
}

.nav-cta{
  margin-top: 10px;
}

/* =========================
Buttons / UI
========================= */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-weight: 800;
  transition: background .16s ease, border-color .16s ease, transform .06s ease, box-shadow .16s ease;
}

.btn:hover{
  background: var(--surface-2);
  border-color: rgba(255,255,255,.22);
}

.btn:active{
  transform: translateY(1px);
}

/* CTA 버튼: 포인트만 brand로 */
.btn-cta{
  border-color: rgba(168,85,247,.45);
  background: rgba(168,85,247,.18);
  box-shadow: var(--glow);
}

.btn-cta:hover{
  background: rgba(168,85,247,.26);
  border-color: rgba(168,85,247,.60);
}

/* =========================
Shared Components
========================= */
.section-title{
  margin: 0 0 10px;
  font-size: clamp(22px, 3.2vw, 36px);
  letter-spacing: -0.02em;
}

.section-desc{
  margin: 0 0 18px;
  color: var(--muted);
}

.card{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  box-shadow: none;
}

/* =========================
Footer
========================= */
.site-footer{
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,.35);
}

.footer-inner{
  padding: 26px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-meta{
  color: var(--muted);
  font-size: 13px;
}

hr.sep{
  border: 0;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}