@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ═══════════════════════════════════════════════════════════
   AG JWT — JWT 디코더 & 레퍼런스 (2113 / agjwt)
   DesignKit Corporate 킷 변형 (redesign-all 2026-07-02):
   구 다크 Console 터미널 → 라이트 SaaS/문서형으로 전면 개편.
   무드: Stripe(gradient corporate) — 인디고→바이올렛 은은한 그라디언트·
   넉넉한 여백·정돈된 카드 그리드·Inter. 토큰/JSON/코드는 JetBrains Mono.
   JWT 3부는 관례상 header=인디고 · payload=에메랄드 · signature=앰버 색코딩.
═══════════════════════════════════════════════════════════ */

:root {
  /* ── 컬러(라이트 기본) ── */
  --primary:#4F46E5; --primary-dark:#4338CA; --accent:#7C3AED;
  --grad:linear-gradient(135deg,#4F46E5 0%,#7C3AED 100%);
  --bg:#FFFFFF; --surface:#FFFFFF; --surface-2:#F8FAFC; --surface-3:#F1F5F9;
  --border:#E5E7EB; --border-2:#CBD5E1; --border-soft:#F1F5F9;
  --text:#1F2937; --text-strong:#0F172A; --text-2:#5B6472; --text-3:#94A3B8;
  --ok:#059669; --err:#DC2626; --warn:#D97706;
  --primary-alpha: color-mix(in srgb, var(--primary) 12%, transparent);
  --primary-glow:  color-mix(in srgb, var(--primary) 22%, transparent);

  /* JWT 세그먼트 색코딩 */
  --seg-h:#4F46E5; --seg-p:#059669; --seg-s:#D97706;

  /* ── 형태·모션 ── */
  --bd:1px;
  --r-1:8px; --r-2:10px; --r-3:12px; --r-4:16px;
  --sh-1:0 1px 2px rgba(15,23,42,.05);
  --sh-2:0 1px 3px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.05);
  --sh-3:0 2px 6px rgba(15,23,42,.07), 0 14px 36px rgba(15,23,42,.07);
  --ease:cubic-bezier(.4,0,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --t1:150ms; --t2:260ms;
  --mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --bg-card:var(--surface); --text-primary:var(--text-strong);
  --text-secondary:var(--text-2); --text-muted:var(--text-3); --accent-primary:var(--primary);
}

/* ── 다크 모드 ── */
[data-theme="dark"] {
  --primary:#818CF8; --primary-dark:#6366F1; --accent:#A78BFA;
  --grad:linear-gradient(135deg,#818CF8 0%,#A78BFA 100%);
  --bg:#0B1120; --surface:#111827; --surface-2:#0F1626; --surface-3:#131C2E;
  --border:#1F2A3C; --border-2:#2C3A50; --border-soft:#18212F;
  --text:#D8DEE9; --text-strong:#F1F5F9; --text-2:#93A0B4; --text-3:#5D6B80;
  --ok:#34D399; --err:#F87171; --warn:#FBBF24;
  --seg-h:#818CF8; --seg-p:#34D399; --seg-s:#FBBF24;
  --sh-1:0 1px 2px rgba(0,0,0,.4);
  --sh-2:0 1px 3px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.4);
  --sh-3:0 2px 6px rgba(0,0,0,.5), 0 14px 36px rgba(0,0,0,.5);
}

*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }

body {
  font-family:'Inter', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  color:var(--text);
  min-height:100vh;
  display:flex; flex-direction:column; align-items:center;
  padding:0 20px 80px;
  overflow-x:hidden;
  background:
    radial-gradient(900px 420px at 50% -140px, color-mix(in srgb, var(--primary) 10%, transparent), transparent 70%),
    var(--bg);
  background-attachment:fixed;
}

/* ─── HEADER ─── */
.site-header {
  position:sticky; top:0; z-index:50;
  width:100vw; margin-bottom:8px;
  border-bottom:var(--bd) solid var(--border);
  background:color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
}
.site-header__inner {
  max-width:1000px; margin:0 auto; height:62px; padding:0 20px;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.site-header__logo { display:inline-flex; align-items:center; gap:10px; text-decoration:none; color:var(--text-strong); font-weight:800; }
.logo-badge {
  width:32px; height:32px; display:inline-flex; align-items:center; justify-content:center;
  border-radius:var(--r-1); background:var(--grad); color:#fff; box-shadow:var(--sh-1);
}
.logo-badge svg { width:17px; height:17px; }
.logo-text { display:inline-flex; flex-direction:column; line-height:1.1; gap:1px; }
.logo-main { font-size:1.04rem; font-weight:800; letter-spacing:-0.02em; color:var(--text-strong); }
.logo-main .accent { background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.logo-sub { font-size:0.56rem; font-weight:700; letter-spacing:0.22em; color:var(--text-3); }

.header-actions { display:flex; align-items:center; gap:6px; }
.site-header__nav { display:flex; align-items:center; gap:2px; }
.site-header__nav a {
  font-size:0.82rem; font-weight:600; color:var(--text-2); text-decoration:none;
  padding:8px 12px; border-radius:var(--r-1); transition:all var(--t1) var(--ease);
}
.site-header__nav a:hover { color:var(--primary); background:var(--surface-2); }
.site-header__nav a.active { color:var(--primary); background:var(--primary-alpha); }
.theme-toggle-btn {
  width:38px; height:38px; display:inline-flex; align-items:center; justify-content:center;
  background:var(--surface); border:var(--bd) solid var(--border-2); border-radius:var(--r-1);
  color:var(--text-2); cursor:pointer; transition:all var(--t1) var(--ease);
}
.theme-toggle-btn:hover { color:var(--primary); border-color:var(--primary); }
.theme-toggle-btn svg { width:17px; height:17px; }
.lang-select {
  font-family:inherit; font-size:0.8rem; font-weight:600; color:var(--text-2);
  background:var(--surface); border:var(--bd) solid var(--border-2); border-radius:var(--r-1);
  padding:8px 26px 8px 11px; cursor:pointer; outline:none;
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394A3B8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 10px center;
  transition:border-color var(--t1) var(--ease), color var(--t1) var(--ease);
}
.lang-select:hover { border-color:var(--primary); color:var(--text-strong); }
@media (max-width:520px){ .lang-select { display:none; } }
.theme-toggle-btn .ic-dark { display:none; }
[data-theme="dark"] .theme-toggle-btn .ic-light { display:none; }
[data-theme="dark"] .theme-toggle-btn .ic-dark { display:inline-flex; }
@media (max-width:820px){ .site-header__nav { display:none; } }

/* ─── HERO ─── */
.hero { width:100%; max-width:1000px; margin:44px auto 8px; text-align:center; }
.hero-badge {
  display:inline-flex; align-items:center; gap:7px; margin-bottom:18px;
  font-size:0.74rem; font-weight:600; color:var(--primary);
  background:var(--primary-alpha); border:var(--bd) solid color-mix(in srgb, var(--primary) 24%, transparent);
  padding:6px 13px; border-radius:100px;
}
.hero-badge svg { width:13px; height:13px; }
.hero h1 {
  font-size:clamp(2rem, 5.4vw, 3.1rem); font-weight:800; color:var(--text-strong);
  letter-spacing:-0.035em; line-height:1.1; margin-bottom:16px;
}
.hero h1 .grad { background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p { font-size:1rem; color:var(--text-2); line-height:1.7; max-width:600px; margin:0 auto; word-break:keep-all; }

/* ─── SECTION LABEL ─── */
.section-label { width:100%; max-width:1000px; margin:38px auto 16px; text-align:center; }
.section-label span { font-size:0.72rem; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:var(--primary); }
.section-title { width:100%; max-width:1000px; margin:0 auto 8px; text-align:center; font-size:1.5rem; font-weight:800; color:var(--text-strong); letter-spacing:-0.02em; }
.section-sub { width:100%; max-width:640px; margin:0 auto 26px; text-align:center; font-size:0.92rem; color:var(--text-2); line-height:1.65; word-break:keep-all; }

/* ─── WORKBENCH ─── */
.workbench { width:100%; max-width:1000px; margin:28px auto 0; }

.panel {
  background:var(--surface); border:var(--bd) solid var(--border); border-radius:var(--r-4);
  box-shadow:var(--sh-2); overflow:hidden; margin-bottom:18px;
}
.panel-bar {
  display:flex; align-items:center; gap:9px;
  padding:14px 20px; background:var(--surface-2); border-bottom:var(--bd) solid var(--border);
  font-size:0.78rem; font-weight:700; letter-spacing:0.02em; color:var(--text-2);
}
.panel-bar svg { width:16px; height:16px; color:var(--primary); }
.panel-body { padding:22px 20px; }

/* 입력부 */
.input-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; gap:10px; flex-wrap:wrap; }
.input-head label { font-size:0.86rem; font-weight:700; color:var(--text-strong); }
.input-tools { display:inline-flex; align-items:center; gap:7px; }
.tool-chip {
  font-family:inherit; font-size:0.76rem; font-weight:600; color:var(--text-2);
  background:var(--surface); border:var(--bd) solid var(--border-2); border-radius:var(--r-1);
  padding:7px 12px; cursor:pointer; transition:all var(--t1) var(--ease);
  display:inline-flex; align-items:center; gap:6px;
}
.tool-chip:hover { color:var(--primary); border-color:var(--primary); background:var(--surface-2); }
.tool-chip svg { width:13px; height:13px; }

.big-input {
  width:100%; min-height:130px; padding:16px 17px; resize:vertical;
  font-family:var(--mono); font-size:0.92rem; font-weight:500; letter-spacing:0.01em; line-height:1.65;
  background:var(--surface-2); border:var(--bd) solid var(--border-2); border-radius:var(--r-2);
  color:var(--text-strong); outline:none; word-break:break-all;
  transition:all var(--t1) var(--ease);
}
.big-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-alpha); background:var(--surface); }
.big-input::placeholder { color:var(--text-3); font-weight:400; }
.big-input.err { border-color:var(--err); box-shadow:0 0 0 3px var(--err-bg, color-mix(in srgb, var(--err) 14%, transparent)); }

.input-msg { margin-top:10px; font-size:0.8rem; min-height:1.1em; color:var(--text-3); }
.input-msg.err { color:var(--err); }
.input-msg b { color:var(--text-2); font-weight:700; }

/* ─── 토큰 세그먼트 뷰 ─── */
.token-view {
  font-family:var(--mono); font-size:0.9rem; line-height:1.8; word-break:break-all; letter-spacing:0.01em;
  background:var(--surface-2); border:var(--bd) solid var(--border); border-radius:var(--r-2);
  padding:16px 17px; min-height:3em; color:var(--text-3);
}
.token-view.empty { color:var(--text-3); }
.seg-h { color:var(--seg-h); font-weight:700; }
.seg-p { color:var(--seg-p); font-weight:700; }
.seg-s { color:var(--seg-s); font-weight:700; }
.seg-dot { color:var(--text-3); font-weight:700; }
.token-legend { display:flex; gap:16px; flex-wrap:wrap; margin-top:14px; }
.legend-item { display:inline-flex; align-items:center; gap:7px; font-size:0.76rem; color:var(--text-2); font-weight:500; }
.legend-dot { width:10px; height:10px; border-radius:3px; }
.legend-dot.h { background:var(--seg-h); }
.legend-dot.p { background:var(--seg-p); }
.legend-dot.s { background:var(--seg-s); }

/* ─── 상태 배너 ─── */
.status-banner {
  display:flex; align-items:center; gap:11px;
  padding:14px 16px; border-radius:var(--r-2); margin-bottom:18px;
  font-size:0.88rem; font-weight:700;
  background:var(--surface-2); border:var(--bd) solid var(--border-2); color:var(--text-2);
}
.status-banner svg { width:18px; height:18px; flex-shrink:0; }
.status-banner.ok { color:var(--ok); border-color:color-mix(in srgb, var(--ok) 40%, transparent); background:color-mix(in srgb, var(--ok) 8%, var(--surface)); }
.status-banner.err { color:var(--err); border-color:color-mix(in srgb, var(--err) 40%, transparent); background:color-mix(in srgb, var(--err) 8%, var(--surface)); }
.status-banner.warn { color:var(--warn); border-color:color-mix(in srgb, var(--warn) 40%, transparent); background:color-mix(in srgb, var(--warn) 8%, var(--surface)); }
.status-sub { font-weight:500; color:var(--text-3); font-size:0.8rem; }

/* ─── JSON 카드 ─── */
.json-card { margin-bottom:18px; }
.json-card:last-of-type { margin-bottom:0; }
.json-card-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:10px; gap:10px; flex-wrap:wrap; }
.json-card-title { display:inline-flex; align-items:center; gap:8px; font-size:0.82rem; font-weight:700; letter-spacing:0.01em; }
.json-card-title .seg-badge { width:10px; height:10px; border-radius:3px; }
.json-card.h .json-card-title { color:var(--seg-h); } .json-card.h .seg-badge { background:var(--seg-h); }
.json-card.p .json-card-title { color:var(--seg-p); } .json-card.p .seg-badge { background:var(--seg-p); }
.json-card.s .json-card-title { color:var(--seg-s); } .json-card.s .seg-badge { background:var(--seg-s); }
.alg-badges { display:inline-flex; gap:6px; flex-wrap:wrap; }
.alg-badge {
  font-family:var(--mono); font-size:0.66rem; font-weight:700; letter-spacing:0.02em; color:var(--text-2);
  background:var(--surface-2); border:var(--bd) solid var(--border-2); border-radius:var(--r-1);
  padding:4px 8px;
}
.alg-badge b { color:var(--primary); }
.alg-badge a { color:var(--primary); text-decoration:none; }
.alg-badge a:hover { text-decoration:underline; }
.copy-btn {
  display:inline-flex; align-items:center; gap:5px;
  font-family:inherit; font-size:0.72rem; font-weight:600; color:var(--text-2);
  background:var(--surface); border:var(--bd) solid var(--border-2); border-radius:var(--r-1);
  padding:6px 10px; cursor:pointer; transition:all var(--t1) var(--ease);
}
.copy-btn:hover { color:var(--primary); border-color:var(--primary); }
.copy-btn.done { color:var(--ok); border-color:var(--ok); }
.copy-btn svg { width:13px; height:13px; }
.json-body {
  font-family:var(--mono); font-size:0.86rem; line-height:1.65; white-space:pre-wrap; word-break:break-word;
  background:var(--surface-2); border:var(--bd) solid var(--border); border-radius:var(--r-2);
  padding:15px 16px; color:var(--text-strong); min-height:2.6em;
  border-left:3px solid var(--border-2);
}
.json-card.h .json-body { border-left-color:var(--seg-h); }
.json-card.p .json-body { border-left-color:var(--seg-p); }
.json-card.s .json-body { border-left-color:var(--seg-s); }
.json-body.empty { color:var(--text-3); }
.jk { color:var(--primary); } .js { color:var(--seg-p); } .jn { color:var(--seg-s); }
.jb { color:var(--accent); } .jp { color:var(--text-3); }
.sig-raw { color:var(--text-2); font-weight:500; }

/* ─── 서명 검증(HMAC) ─── */
.verify-box { margin-top:14px; padding:15px 16px; background:var(--surface-2); border:var(--bd) solid var(--border); border-radius:var(--r-2); }
.verify-head { font-size:0.8rem; font-weight:700; color:var(--text-strong); margin-bottom:4px; display:flex; align-items:center; gap:7px; }
.verify-head svg { width:15px; height:15px; color:var(--primary); }
.verify-sub { font-size:0.74rem; color:var(--text-3); margin-bottom:11px; line-height:1.55; }
.verify-row { display:flex; gap:8px; flex-wrap:wrap; }
.verify-input {
  flex:1; min-width:180px; padding:10px 13px; font-family:var(--mono); font-size:0.84rem;
  background:var(--surface); border:var(--bd) solid var(--border-2); border-radius:var(--r-1);
  color:var(--text-strong); outline:none; transition:all var(--t1) var(--ease);
}
.verify-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-alpha); }
.verify-btn {
  font-family:inherit; font-size:0.82rem; font-weight:700; color:#fff; white-space:nowrap;
  background:var(--grad); border:none; border-radius:var(--r-1); padding:10px 18px; cursor:pointer;
  box-shadow:var(--sh-1); transition:transform var(--t1) var(--ease), box-shadow var(--t1) var(--ease);
}
.verify-btn:hover { transform:translateY(-1px); box-shadow:var(--sh-2); }
.verify-result { margin-top:11px; font-size:0.82rem; font-weight:700; min-height:1.1em; display:none; align-items:center; gap:8px; }
.verify-result svg { width:16px; height:16px; }
.verify-result.show { display:flex; }
.verify-result.ok { color:var(--ok); } .verify-result.err { color:var(--err); } .verify-result.warn { color:var(--warn); }

/* ─── 클레임 테이블 ─── */
.claims-wrap { overflow-x:auto; }
.claims-table { width:100%; border-collapse:collapse; font-size:0.84rem; }
.claims-table th {
  text-align:left; font-size:0.66rem; font-weight:700; text-transform:uppercase; letter-spacing:0.06em;
  color:var(--text-3); padding:9px 13px; border-bottom:var(--bd) solid var(--border);
}
.claims-table td { padding:12px 13px; border-bottom:var(--bd) solid var(--border-soft); vertical-align:top; }
.claims-table tr:last-child td { border-bottom:none; }
.claim-key { font-family:var(--mono); color:var(--primary); font-weight:700; white-space:nowrap; }
.claim-key a { color:var(--primary); text-decoration:none; }
.claim-key a:hover { text-decoration:underline; }
.claim-key .ck-desc { display:block; font-family:inherit; color:var(--text-3); font-weight:500; font-size:0.7rem; margin-top:3px; letter-spacing:0; }
.claim-val { color:var(--text-strong); font-weight:600; word-break:break-word; font-family:var(--mono); font-size:0.82rem; }
.claim-time { display:block; color:var(--text-3); font-weight:500; font-size:0.74rem; margin-top:4px; font-family:inherit; }
.claim-time.err { color:var(--err); } .claim-time.ok { color:var(--ok); } .claim-time.warn { color:var(--warn); }

/* ─── 카드 그리드(허브·연관) ─── */
.card-grid { width:100%; max-width:1000px; margin:0 auto; display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
@media (max-width:820px){ .card-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .card-grid { grid-template-columns:1fr; } }
.ref-card {
  display:flex; flex-direction:column; gap:8px; text-decoration:none;
  background:var(--surface); border:var(--bd) solid var(--border); border-radius:var(--r-3);
  padding:18px 18px; box-shadow:var(--sh-1); transition:all var(--t2) var(--ease-out);
}
.ref-card:hover { border-color:var(--primary); box-shadow:var(--sh-3); transform:translateY(-3px); }
.ref-card-top { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.ref-card-code { font-family:var(--mono); font-size:1rem; font-weight:700; color:var(--primary); }
.ref-card-tag { font-size:0.62rem; font-weight:700; letter-spacing:0.04em; text-transform:uppercase; color:var(--text-3); background:var(--surface-2); border:var(--bd) solid var(--border); padding:3px 8px; border-radius:100px; }
.ref-card-desc { font-size:0.82rem; color:var(--text-2); line-height:1.6; word-break:keep-all; }
.ref-card-arrow { margin-top:2px; color:var(--text-3); }
.ref-card:hover .ref-card-arrow { color:var(--primary); }
.ref-card-arrow svg { width:15px; height:15px; }

/* ─── 상세/가이드 페이지 ─── */
.doc { width:100%; max-width:760px; margin:0 auto; }
.breadcrumb { display:flex; align-items:center; gap:7px; flex-wrap:wrap; font-size:0.8rem; color:var(--text-3); margin:20px 0 10px; }
.breadcrumb a { color:var(--text-2); text-decoration:none; }
.breadcrumb a:hover { color:var(--primary); }
.breadcrumb .sep { color:var(--border-2); }
.doc-header { margin:8px 0 22px; }
.doc-eyebrow { display:inline-block; font-family:var(--mono); font-size:0.74rem; font-weight:700; color:var(--primary); background:var(--primary-alpha); padding:4px 10px; border-radius:100px; margin-bottom:12px; }
.doc-title { font-size:1.9rem; font-weight:800; color:var(--text-strong); letter-spacing:-0.03em; line-height:1.15; margin-bottom:10px; word-break:keep-all; }
.doc-lead { font-size:1rem; color:var(--text-2); line-height:1.75; word-break:keep-all; }
.spec-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin:22px 0; }
@media (max-width:520px){ .spec-grid { grid-template-columns:1fr; } }
.spec-item { background:var(--surface); border:var(--bd) solid var(--border); border-radius:var(--r-2); padding:14px 15px; box-shadow:var(--sh-1); }
.spec-k { font-size:0.66rem; font-weight:700; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-3); margin-bottom:6px; }
.spec-v { font-family:var(--mono); font-size:0.98rem; font-weight:700; color:var(--text-strong); word-break:break-word; }
.spec-v.ok { color:var(--ok); } .spec-v.warn { color:var(--warn); }
.doc-section { margin:26px 0; }
.doc-section h2 { font-size:1.16rem; font-weight:800; color:var(--text-strong); letter-spacing:-0.01em; margin-bottom:12px; }
.doc-section p { font-size:0.94rem; color:var(--text-2); line-height:1.8; margin-bottom:12px; word-break:keep-all; }
.doc-list { list-style:none; display:flex; flex-direction:column; gap:10px; }
.doc-list li { position:relative; padding-left:26px; font-size:0.92rem; color:var(--text-2); line-height:1.65; word-break:keep-all; }
.doc-list li::before { content:''; position:absolute; left:6px; top:9px; width:7px; height:7px; border-radius:2px; background:var(--grad); }
.code-block {
  font-family:var(--mono); font-size:0.82rem; line-height:1.7; white-space:pre-wrap; word-break:break-all;
  background:var(--surface-2); border:var(--bd) solid var(--border); border-left:3px solid var(--primary); border-radius:var(--r-2);
  padding:14px 15px; color:var(--text-strong); margin:14px 0;
}
.cta-band {
  display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
  background:var(--surface-2); border:var(--bd) solid var(--border); border-radius:var(--r-3);
  padding:20px 22px; margin:28px 0;
}
.cta-text { font-size:0.94rem; font-weight:700; color:var(--text-strong); }
.cta-text span { display:block; font-size:0.8rem; font-weight:400; color:var(--text-2); margin-top:3px; }
.cta-btn {
  display:inline-flex; align-items:center; gap:7px; text-decoration:none; white-space:nowrap;
  font-size:0.88rem; font-weight:700; color:#fff; background:var(--grad);
  padding:11px 20px; border-radius:var(--r-1); box-shadow:var(--sh-1); transition:all var(--t1) var(--ease);
}
.cta-btn:hover { transform:translateY(-1px); box-shadow:var(--sh-2); }
.cta-btn svg { width:15px; height:15px; }

/* ─── 안내 노트 ─── */
.note {
  font-size:0.84rem; color:var(--text-2); line-height:1.75;
  background:var(--surface-2); border:var(--bd) solid var(--border);
  border-left:3px solid var(--primary); border-radius:var(--r-2);
  padding:15px 17px; margin-bottom:16px; word-break:keep-all;
}
.note b { color:var(--text-strong); font-weight:700; }

/* ─── FAQ ─── */
.faq { width:100%; max-width:760px; margin:8px auto 0; }
.faq-item { border:var(--bd) solid var(--border); border-radius:var(--r-2); background:var(--surface); padding:17px 18px; margin-bottom:11px; box-shadow:var(--sh-1); }
.faq-q { font-size:0.94rem; font-weight:700; color:var(--text-strong); margin-bottom:8px; }
.faq-a { font-size:0.86rem; color:var(--text-2); line-height:1.7; word-break:keep-all; }

/* ─── TRUST ─── */
.trust-bar {
  width:100%; max-width:1000px; margin:34px auto 0; padding-top:26px;
  border-top:var(--bd) solid var(--border);
  display:flex; flex-wrap:wrap; justify-content:center; gap:16px 34px;
}
.trust-item { display:inline-flex; align-items:center; gap:8px; font-size:0.82rem; font-weight:500; color:var(--text-2); }
.trust-item svg { width:16px; height:16px; color:var(--primary); }

/* ─── 보조 페이지(about/contact 헤더) ─── */
.page-container { width:100%; max-width:760px; margin:0 auto; display:flex; flex-direction:column; }
.page-header { text-align:center; margin:34px 0 24px; }
.page-title { font-size:1.9rem; font-weight:800; color:var(--text-strong); letter-spacing:-0.03em; margin-bottom:9px; }
.page-sub { font-size:0.94rem; color:var(--text-2); }

/* ─── AD (룰 4-1: 래퍼 border-radius/overflow 금지) ─── */
/* 사이즈별 행 분리: .ad-grid=행 세로 스택, .ad-row=같은 사이즈끼리 한 줄(컨테이너 폭이 개수 제한).
   728×90→1/행 · 250×250→2/행 · 320×50→2/행(4개면 2×2). 서로 다른 사이즈는 같은 행에 안 섞음. */
.ad-grid { display:flex; flex-direction:column; align-items:center; gap:14px; width:100%; margin:34px auto 0; }
.ad-row { display:flex; flex-wrap:wrap; justify-content:center; gap:12px; width:100%; }
.ad-cell { min-height:50px; }

/* ─── FOOTER ─── */
.site-footer {
  width:100%; max-width:1000px; margin:40px auto 0; padding:28px 4px 8px;
  border-top:var(--bd) solid var(--border);
}
.footer-nav { display:flex; flex-wrap:wrap; gap:8px 22px; justify-content:center; margin-bottom:16px; }
.footer-nav a { color:var(--text-2); font-size:0.84rem; font-weight:500; text-decoration:none; transition:color var(--t1) var(--ease); }
.footer-nav a:hover { color:var(--primary); }
.footer-meta { text-align:center; font-size:0.76rem; color:var(--text-3); }
.sr-title { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }

/* ─── ANIMATIONS ─── */
.animate-fade-in { animation:fadeIn .5s var(--ease-out) both; }
.animate-slide-up { animation:slideUp .5s var(--ease-out) both; }
@keyframes fadeIn { from{opacity:0;} to{opacity:1;} }
@keyframes slideUp { from{opacity:0; transform:translateY(16px);} to{opacity:1; transform:translateY(0);} }

.decoded-wrap.hidden { display:none; }

@media (max-width:480px){
  body { padding:0 14px 64px; }
  .hero { margin-top:32px; }
  .panel-body { padding:18px 15px; }
  .doc-title { font-size:1.55rem; }
}