/* AntiHack — Modern Security Trust (enterprise)
   네이비 #0F2747 · 브랜드 블루 #2563EB · 배경 #F8FAFC · 표면 #FFFFFF · 성공 #16A34A · 본문 #0F172A
   CSP default-src 'self' — 외부 CDN·인라인 style 속성 금지. 폰트는 /assets/fonts/pretendard.css(자체 호스팅)
   아이콘은 마크업을 건드리지 않도록 ::before 의 data: SVG 배경으로 그린다 (CSP img-src data: 허용)
   --i-* 아이콘 변수는 생성기로 만든 값 — 색을 바꾸려면 SVG 의 stroke 값을 고친다 */

:root {
  --i-blue-shield-check: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M12%203l7.5%203v5.5c0%204.6-3.2%208.6-7.5%2010-4.3-1.4-7.5-5.4-7.5-10V6L12%203z%22%2F%3E%3Cpath%20d%3D%22M8.8%2012.2l2.2%202.2%204.2-4.4%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-alert: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M10.3%204L2.2%2018a2%202%200%20001.7%203h16.2a2%202%200%20001.7-3L13.7%204a2%202%200%2000-3.4%200z%22%2F%3E%3Cpath%20d%3D%22M12%209.5v4M12%2017h.01%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-file: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M14%203H7a2%202%200%2000-2%202v14a2%202%200%20002%202h10a2%202%200%20002-2V8l-5-5z%22%2F%3E%3Cpath%20d%3D%22M14%203v5h5%22%2F%3E%3Cpath%20d%3D%22M12%2011.5v3.5M12%2018h.01%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-lock: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Crect%20x%3D%224.5%22%20y%3D%2210.5%22%20width%3D%2215%22%20height%3D%2210%22%20rx%3D%222%22%2F%3E%3Cpath%20d%3D%22M8%2010.5V7.5a4%204%200%20018%200v3%22%2F%3E%3Cpath%20d%3D%22M12%2014.5v2.5%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-layers: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M12%203l9%204.5-9%204.5-9-4.5L12%203z%22%2F%3E%3Cpath%20d%3D%22M3%2012l9%204.5%209-4.5M3%2016.5L12%2021l9-4.5%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-eye: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M2%2012s3.6-7%2010-7%2010%207%2010%207-3.6%207-10%207S2%2012%202%2012z%22%2F%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%223%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-globe: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%229%22%2F%3E%3Cpath%20d%3D%22M3%2012h18M12%203c2.5%202.6%203.8%205.6%203.8%209s-1.3%206.4-3.8%209c-2.5-2.6-3.8-5.6-3.8-9S9.5%205.6%2012%203z%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-link: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M10%2014a4.5%204.5%200%20006.4%200l3-3a4.5%204.5%200%2000-6.4-6.4l-1%201%22%2F%3E%3Cpath%20d%3D%22M14%2010a4.5%204.5%200%2000-6.4%200l-3%203a4.5%204.5%200%20006.4%206.4l1-1%22%2F%3E%3C%2Fsvg%3E");
  --i-blue-arrow: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232563EB%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M5%2012h14M13%206l6%206-6%206%22%2F%3E%3C%2Fsvg%3E");
  --i-white-shield: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23FFFFFF%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M12%203l7.5%203v5.5c0%204.6-3.2%208.6-7.5%2010-4.3-1.4-7.5-5.4-7.5-10V6L12%203z%22%2F%3E%3C%2Fsvg%3E");
  --i-white-check: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23FFFFFF%22%20stroke-width%3D%222.6%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M5%2012.5l4.5%204.5L19%207.5%22%2F%3E%3C%2Fsvg%3E");
  --i-white-lock: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23FFFFFF%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Crect%20x%3D%224.5%22%20y%3D%2210.5%22%20width%3D%2215%22%20height%3D%2210%22%20rx%3D%222%22%2F%3E%3Cpath%20d%3D%22M8%2010.5V7.5a4%204%200%20018%200v3%22%2F%3E%3Cpath%20d%3D%22M12%2014.5v2.5%22%2F%3E%3C%2Fsvg%3E");
  --i-white-arrow: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23FFFFFF%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M5%2012h14M13%206l6%206-6%206%22%2F%3E%3C%2Fsvg%3E");
  --i-amber-clock: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23D97706%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%229%22%2F%3E%3Cpath%20d%3D%22M12%207v5l3.2%202%22%2F%3E%3C%2Fsvg%3E");
  --i-amber-file: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23D97706%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M14%203H7a2%202%200%2000-2%202v14a2%202%200%20002%202h10a2%202%200%20002-2V8l-5-5z%22%2F%3E%3Cpath%20d%3D%22M14%203v5h5%22%2F%3E%3Cpath%20d%3D%22M12%2011.5v3.5M12%2018h.01%22%2F%3E%3C%2Fsvg%3E");
  --i-amber-code: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23D97706%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M16%2018l6-6-6-6M8%206l-6%206%206%206%22%2F%3E%3C%2Fsvg%3E");
  --i-red-x-circle: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23DC2626%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%229%22%2F%3E%3Cpath%20d%3D%22M9%209l6%206M15%209l-6%206%22%2F%3E%3C%2Fsvg%3E");
  --i-green-shield-check: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%2316A34A%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M12%203l7.5%203v5.5c0%204.6-3.2%208.6-7.5%2010-4.3-1.4-7.5-5.4-7.5-10V6L12%203z%22%2F%3E%3Cpath%20d%3D%22M8.8%2012.2l2.2%202.2%204.2-4.4%22%2F%3E%3C%2Fsvg%3E");
  --i-green-check: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%2316A34A%22%20stroke-width%3D%222.6%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M5%2012.5l4.5%204.5L19%207.5%22%2F%3E%3C%2Fsvg%3E");
  --i-sky-shield-check: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%2393C5FD%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M12%203l7.5%203v5.5c0%204.6-3.2%208.6-7.5%2010-4.3-1.4-7.5-5.4-7.5-10V6L12%203z%22%2F%3E%3Cpath%20d%3D%22M8.8%2012.2l2.2%202.2%204.2-4.4%22%2F%3E%3C%2Fsvg%3E");
  --i-muted-link: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%2394A3B8%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M10%2014a4.5%204.5%200%20006.4%200l3-3a4.5%204.5%200%2000-6.4-6.4l-1%201%22%2F%3E%3Cpath%20d%3D%22M14%2010a4.5%204.5%200%2000-6.4%200l-3%203a4.5%204.5%200%20006.4%206.4l1-1%22%2F%3E%3C%2Fsvg%3E");
  --i-logo: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%3E%3Cpath%20fill%3D%22%230F2747%22%20d%3D%22M12%202l8.5%203.3v6c0%205.1-3.6%209.6-8.5%2011.2-4.9-1.6-8.5-6.1-8.5-11.2v-6L12%202z%22%2F%3E%3Cpath%20d%3D%22M8.3%2012.2l2.6%202.6%204.8-5%22%20fill%3D%22none%22%20stroke%3D%22%23fff%22%20stroke-width%3D%222.2%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%2F%3E%3C%2Fsvg%3E");
  --i-logo-dark: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%3E%3Cpath%20fill%3D%22%233B82F6%22%20d%3D%22M12%202l8.5%203.3v6c0%205.1-3.6%209.6-8.5%2011.2-4.9-1.6-8.5-6.1-8.5-11.2v-6L12%202z%22%2F%3E%3Cpath%20d%3D%22M8.3%2012.2l2.6%202.6%204.8-5%22%20fill%3D%22none%22%20stroke%3D%22%23fff%22%20stroke-width%3D%222.2%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%2F%3E%3C%2Fsvg%3E");

  --navy: #0F2747;
  --navy-2: #163259;
  --blue: #2563EB;
  --blue-hover: #1D4ED8;
  --blue-soft: #EFF6FF;
  --blue-line: #DBEAFE;
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --text: #0F172A;
  --body: #334155;
  --muted: #64748B;
  --faint: #94A3B8;
  --line: #E2E8F0;
  --line-soft: #F1F5F9;
  --crit: #DC2626; --crit-soft: #FEF2F2;
  --high: #EA580C; --high-soft: #FFF7ED;
  --mid:  #D97706; --mid-soft:  #FFFBEB;
  --ok:   #16A34A; --ok-soft:   #F0FDF4;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 16px rgba(15, 39, 71, .06);
  --shadow-lg: 0 1px 3px rgba(15, 23, 42, .06), 0 20px 48px -12px rgba(15, 39, 71, .18);
  --radius: 14px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  word-break: keep-all;      /* 한글을 단어 단위로 줄바꿈 */
  overflow-wrap: anywhere;
}
a { color: var(--blue); text-decoration: none; }
h1, h2, h3 { color: var(--text); font-weight: 700; }
h1 { font-size: 22px; margin: 0 0 8px; letter-spacing: -0.02em; }
.muted { color: var(--muted); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .86em; color: var(--text);
  background: var(--line-soft); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* 브랜드 — 방패 로고는 ::before 배경(마크업 변경 없음) */
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 19px; color: var(--text); letter-spacing: -0.03em; }
.brand::before { content: ""; width: 26px; height: 26px; flex: none; background: var(--i-logo) center / contain no-repeat; }

/* 카드 공통 */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 40px 28px; box-shadow: var(--shadow); }

/* ── 로그인 · 404 ── */
.center { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.center > .card { width: 100%; max-width: 420px; text-align: center; }
.center > .card:not(.login) h1::before { content: ""; display: block; width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 16px;
  background: var(--blue-soft) var(--i-blue-alert) center / 26px no-repeat; border: 1px solid var(--blue-line); }
.center > .card:not(.login) p { margin: 16px 0 0; }
.login .brand { margin-bottom: 28px; font-size: 22px; }
.login .brand::before { width: 30px; height: 30px; }
.login p { margin: 0; }
.oauth { display: grid; gap: 10px; margin: 32px 0 16px; }
.btn { display: flex; align-items: center; justify-content: center; gap: 10px; height: 52px; border-radius: 12px; font-size: 16px; font-weight: 600; }
.btn svg { width: 20px; height: 20px; }
.btn[aria-disabled="true"] { cursor: not-allowed; }
.btn-kakao { background: #FEE500; color: rgba(0, 0, 0, 0.85); }
.btn-kakao svg { fill: #000; }
.btn-google { background: #fff; color: #1f1f1f; border: 1px solid #dadce0; }
.notice { font-size: 13px; color: var(--muted); }
.fine { margin-top: 24px !important; padding-top: 20px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.fine a { color: var(--muted); text-decoration: underline; }

/* ── 홈(/app) ── */
.top { display: flex; justify-content: space-between; align-items: center; max-width: 1120px; margin: 0 auto; padding: 16px; font-size: 14px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 8px 16px 48px; }
.empty { text-align: center; padding: 64px 24px; }
.empty h1::before { content: ""; display: block; width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 16px;
  background: var(--blue-soft) var(--i-blue-shield-check) center / 26px no-repeat; border: 1px solid var(--blue-line); }
.empty p { margin: 0; }

/* ── 버튼 ── */
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 52px; padding: 0 24px; border: 0; cursor: pointer;
  border-radius: 10px; background: var(--blue); color: #fff; font: inherit; font-size: 16px; font-weight: 700; white-space: nowrap;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .1), inset 0 1px 0 rgba(255, 255, 255, .12); transition: background .15s; }
.btn-primary:hover { background: var(--blue-hover); }
.btn-primary::after { content: ""; width: 18px; height: 18px; background: var(--i-white-arrow) center / contain no-repeat; transition: transform .15s; }
.btn-primary:hover::after { transform: translateX(2px); }
.btn-ghost { display: inline-flex; align-items: center; gap: 6px; color: var(--text); font-size: 15px; font-weight: 600; }
.btn-ghost::after { content: ""; width: 16px; height: 16px; background: var(--i-blue-arrow) center / contain no-repeat; transition: transform .15s; }
.btn-ghost:hover { color: var(--blue); }
.btn-ghost:hover::after { transform: translateX(2px); }

/* ── 랜딩: 내비 ── */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line); }
.nav-in { max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 68px; display: flex; align-items: center; justify-content: space-between; }
.nav nav { display: flex; align-items: center; gap: 32px; font-size: 15px; }
.nav nav a { color: var(--muted); font-weight: 500; transition: color .15s; }
.nav nav a:hover { color: var(--text); }
.nav .nav-cta { background: var(--navy); color: #fff; padding: 9px 18px; border-radius: 9px; font-weight: 600; transition: background .15s; }
.nav .nav-cta:hover { background: var(--navy-2); color: #fff; }

/* ── 랜딩: 히어로 ── */
.hero { position: relative; background: var(--surface); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%); mask-image: linear-gradient(to bottom, #000, transparent 85%); }
.hero-in { position: relative; max-width: 1200px; margin: 0 auto; padding: 96px 24px 104px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 72px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 24px; padding: 6px 14px 6px 10px; border-radius: 999px;
  font-size: 13px; font-weight: 600; color: var(--blue); background: var(--blue-soft); border: 1px solid var(--blue-line); }
.eyebrow::before { content: ""; width: 16px; height: 16px; background: var(--i-blue-shield-check) center / contain no-repeat; }
.hero h1 { font-size: 52px; line-height: 1.2; letter-spacing: -0.04em; margin: 0 0 24px; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--blue); }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 36px; }

/* URL 입력 + 점검 버튼 */
.hero-form { position: relative; display: flex; gap: 8px; max-width: 560px; padding: 8px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); transition: border-color .15s, box-shadow .15s; }
.hero-form:focus-within { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(37, 99, 235, .12), var(--shadow); }
.hero-form input { flex: 1; min-width: 0; height: 52px; padding: 0 14px 0 40px; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 16px; color: var(--text); }
.hero-form input::placeholder { color: var(--faint); }
.hero-form::before { content: ""; position: absolute; left: 22px; top: 50%; width: 18px; height: 18px; margin-top: -9px;
  background: var(--i-muted-link) center / contain no-repeat; pointer-events: none; }
.hero-note { display: flex; align-items: center; gap: 8px; margin: 28px 0 0; padding-top: 24px; border-top: 1px solid var(--line);
  max-width: 560px; font-size: 14px; color: var(--muted); }
.hero-note::before { content: ""; flex: none; width: 18px; height: 18px; background: var(--i-green-shield-check) center / contain no-repeat; }

/* 리포트 예시 카드 */
.sample { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-lg); }
.sample-head { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--bg); }
.sample-head .dot { display: none; }
.sample-head::before { content: ""; flex: none; width: 34px; height: 34px; border-radius: 9px; background: var(--navy) var(--i-white-shield) center / 18px no-repeat; }
.sample-url { color: var(--text); font-weight: 700; font-size: 15px; }
.tag { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; }

.sample-sum { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 20px 20px 8px; }
.sample-sum div { position: relative; padding: 14px 16px 12px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); overflow: hidden; }
.sample-sum div::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; }
.sample-sum div:nth-child(1)::before { background: var(--crit); }
.sample-sum div:nth-child(2)::before { background: var(--high); }
.sample-sum div:nth-child(3)::before { background: var(--mid); }
.sample-sum b { display: block; font-size: 28px; line-height: 1.15; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.sample-sum span { font-size: 12px; font-weight: 600; color: var(--muted); }
.c-crit { color: var(--crit); } .c-high { color: var(--high); } .c-mid { color: var(--mid); } .c-low { color: var(--blue); }

.sample-list { list-style: none; margin: 0; padding: 4px 20px 12px; }
.sample-list li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.sample-list li:last-child { border-bottom: 0; }
.sample-list p { margin: 0; font-weight: 700; font-size: 14.5px; color: var(--text); line-height: 1.5; }
.sample-list small { display: block; color: var(--muted); font-size: 13px; line-height: 1.55; margin-top: 3px; }
.sample-list .fix { color: var(--blue); font-weight: 600; }
.sev { display: inline-flex; align-items: center; justify-content: center; height: 24px; border-radius: 6px; font-size: 12px; font-weight: 700; margin-top: 1px; white-space: nowrap; }
.sev-crit { background: var(--crit-soft); color: var(--crit); box-shadow: inset 0 0 0 1px rgba(220, 38, 38, .2); }
.sev-high { background: var(--high-soft); color: var(--high); box-shadow: inset 0 0 0 1px rgba(234, 88, 12, .2); }
.sev-mid { background: var(--mid-soft); color: var(--mid); box-shadow: inset 0 0 0 1px rgba(217, 119, 6, .2); }
.sev-low { background: var(--blue-soft); color: var(--blue); box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .2); }

/* ── 랜딩: 섹션 공통 ── */
.sec-in { max-width: 1200px; margin: 0 auto; padding: 112px 24px; }
.sec-in.narrow { max-width: 800px; }
section h2 { font-size: 38px; line-height: 1.3; letter-spacing: -0.035em; margin: 0 0 16px; font-weight: 800; }
.sub { color: var(--muted); font-size: 18px; margin: 0 0 56px; max-width: 680px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; font-size: 14px; font-weight: 700; color: var(--crit); }
.kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px var(--crit-soft); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* 아이콘 타일 — 카드 위 44px 사각형 */
.vs > div::before, .pcard::before, .ccard::before { content: ""; display: block; width: 44px; height: 44px; margin-bottom: 20px; border-radius: 11px;
  background-position: center; background-size: 22px; background-repeat: no-repeat; }

/* 사고 사례 */
.incident { background: var(--bg); }
.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.vs > div { position: relative; border-radius: var(--radius); padding: 32px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.vs > .vs-bad::before { background-color: var(--crit-soft); background-image: var(--i-red-x-circle); }
.vs > .vs-good::before { background-color: var(--ok-soft); background-image: var(--i-green-shield-check); }
.vs b { display: block; font-size: 19px; color: var(--text); letter-spacing: -0.02em; }
.vs-bad b { color: var(--crit); } .vs-good b { color: var(--ok); }
.vs p { margin: 10px 0 0; color: var(--body); }
.vs-line { margin: 48px 0 0; font-size: 24px; text-align: center; letter-spacing: -0.03em; color: var(--text); font-weight: 600; }
.vs-line b { color: var(--blue); font-weight: 800; }
.src { margin: 10px 0 0; text-align: center; font-size: 13px; color: var(--faint); }

/* 이런 상태 */
.pain { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pain h2 { margin-bottom: 56px; }
.pcard, .ccard { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow-sm);
  transition: border-color .2s, box-shadow .2s, transform .2s; }
.pcard::before { background-color: var(--mid-soft); }
.pcard:nth-child(1)::before { background-image: var(--i-amber-clock); }
.pcard:nth-child(2)::before { background-image: var(--i-amber-file); }
.pcard:nth-child(3)::before { background-image: var(--i-amber-code); }
.pcard .q { font-size: 18px; font-weight: 700; margin: 0 0 12px; color: var(--text); letter-spacing: -0.02em; }
.pcard p:last-child, .ccard p { margin: 0; color: var(--muted); font-size: 15px; }

/* 점검 항목 */
.checks { background: var(--bg); }
.ccard::before { background-color: var(--blue-soft); box-shadow: inset 0 0 0 1px var(--blue-line); }
.ccard:nth-child(1)::before { background-image: var(--i-blue-alert); }
.ccard:nth-child(2)::before { background-image: var(--i-blue-file); }
.ccard:nth-child(3)::before { background-image: var(--i-blue-lock); }
.ccard:nth-child(4)::before { background-image: var(--i-blue-layers); }
.ccard:nth-child(5)::before { background-image: var(--i-blue-eye); }
.ccard:nth-child(6)::before { background-image: var(--i-blue-globe); }
.ccard:hover { border-color: #BFDBFE; box-shadow: var(--shadow); transform: translateY(-2px); }
.ccard h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }

/* 이용 방법 — 번호를 가로선으로 잇는 단계 */
.how { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.how h2 { margin-bottom: 56px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.steps::before { content: ""; position: absolute; left: 22px; right: calc(33.333% - 22px); top: 22px; height: 2px;
  background: linear-gradient(90deg, var(--blue-line), var(--line)); }
.steps li { position: relative; }
.steps b { position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; margin-bottom: 24px;
  background: var(--navy); color: #fff; font-size: 17px; font-weight: 700; box-shadow: 0 0 0 6px var(--surface); }
.steps h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.02em; }
.steps p { margin: 0; color: var(--muted); max-width: 320px; }

/* AI 리포트 + 안전 */
.report { background: var(--bg); }
.report .sub { margin-bottom: 32px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; font-size: 16px; color: var(--text); font-weight: 500; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; }
.ticks li::before { content: ""; flex: none; width: 22px; height: 22px; margin-top: 2px; border-radius: 50%; background: var(--blue) var(--i-white-check) center / 12px no-repeat; }
.trust { position: relative; overflow: hidden; background: var(--navy); color: #fff; border-radius: 18px; padding: 40px 36px; box-shadow: var(--shadow-lg); }
.trust h3 { display: flex; align-items: center; gap: 14px; margin: 0 0 8px; font-size: 21px; color: #fff; letter-spacing: -0.02em; }
.trust h3::before { content: ""; flex: none; width: 44px; height: 44px; border-radius: 11px; background: rgba(255, 255, 255, .08) var(--i-white-lock) center / 22px no-repeat;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); }
.trust p { position: relative; margin: 0; padding: 18px 0 0 32px; margin-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .7); font-size: 15px; }
.trust p::before { content: ""; position: absolute; left: 0; top: 20px; width: 20px; height: 20px; background: var(--i-sky-shield-check) center / contain no-repeat; }
.trust b { display: block; color: #fff; font-size: 16px; margin-bottom: 2px; }

/* FAQ */
.faq { background: var(--surface); border-top: 1px solid var(--line); }
.faq h2 { margin-bottom: 40px; text-align: center; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; margin-bottom: 12px; transition: border-color .15s, box-shadow .15s; }
.faq details:hover { border-color: #CBD5E1; }
.faq details[open] { border-color: var(--blue-line); box-shadow: var(--shadow); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16px; color: var(--text); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--line); color: var(--muted); font-weight: 500; font-size: 17px; line-height: 1; }
.faq details[open] summary::after { content: "−"; background: var(--blue-soft); border-color: var(--blue-line); color: var(--blue); }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* 마지막 행동 유도 */
.final { position: relative; overflow: hidden; background: var(--navy); color: #fff; text-align: center; }
.final::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 48px 48px; }
.final .sec-in { position: relative; padding: 104px 24px; }
.final h2 { color: #fff; }
.final h2::before { content: ""; display: block; width: 60px; height: 60px; margin: 0 auto 28px; border-radius: 16px;
  background: rgba(255, 255, 255, .06) var(--i-sky-shield-check) center / 30px no-repeat; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); }
.final p { color: rgba(255, 255, 255, .7); font-size: 18px; margin: 0 0 36px; }

/* 푸터 */
.foot { background: var(--surface); border-top: 1px solid var(--line); }
.foot .sec-in { padding: 36px 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; }
.foot .brand { font-size: 16px; }
.foot .brand::before { width: 22px; height: 22px; }
.foot a { color: var(--muted); }
.foot a:hover { color: var(--text); }

/* ── 반응형 ── */
@media (max-width: 1024px) {
  .hero-in { grid-template-columns: minmax(0, 1fr); padding: 64px 24px 72px; gap: 56px; }
  .sample { max-width: 640px; }
  .split { grid-template-columns: minmax(0, 1fr); gap: 48px; }
}
@media (max-width: 768px) {
  .nav-in { padding: 0 16px; height: 60px; }
  .nav nav a:not(.nav-cta) { display: none; }
  .hero-in { padding: 48px 16px 56px; gap: 44px; }
  .hero h1 { font-size: 36px; }
  .lead { font-size: 16px; }
  .sec-in { padding: 72px 16px; }
  .final .sec-in { padding: 72px 16px; }
  .foot .sec-in { padding: 28px 16px; }
  section h2 { font-size: 28px; }
  .sub { font-size: 16px; margin-bottom: 40px; }
  .pain h2, .how h2 { margin-bottom: 40px; }
  .grid3, .vs { grid-template-columns: 1fr; gap: 14px; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .steps::before { left: 21px; right: auto; top: 22px; bottom: 22px; width: 2px; height: auto; background: var(--line); }
  .steps li { padding-left: 64px; }
  .steps b { position: absolute; left: 0; top: 0; margin: 0; }
  .vs-line { font-size: 20px; margin-top: 36px; }
  .trust { padding: 32px 24px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 31px; }
  .hero-form { flex-direction: column; }
  .hero-form input { flex: none; }
  .hero-form::before { top: 34px; }
  .hero-form .btn-primary { width: 100%; }
  .sample-head { padding: 14px 16px; }
  .sample-sum { padding: 16px 16px 4px; gap: 8px; }
  .sample-sum div { padding: 12px 12px 10px; }
  .sample-sum b { font-size: 24px; }
  .sample-list { padding: 4px 16px 8px; }
  .sample-list li { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; }
  .vs > div, .pcard, .ccard { padding: 24px 20px; }
}