/* ================================================================
   2026 정보보안 교육 포털 — Premium Design System
   Navy · Ivory · Champagne Gold · Cyan accent
================================================================ */
:root {
  --ink-950: #040a14;
  --ink-900: #08142a;
  --ink-800: #0e1f3d;
  --ink-700: #17315f;
  --blue-600: #1d4ed8;
  --blue-500: #2f6bff;
  --cyan-400: #38d1f5;
  --cyan-300: #7ce3fb;
  --gold-500: #c8a14b;
  --gold-400: #dcbb6c;
  --gold-100: #f6edd6;
  --ivory: #fbfaf7;
  --paper: #ffffff;
  --line: #e7e3da;
  --line-soft: #efece5;
  --g-900: #0f172a;
  --g-800: #1e293b;
  --g-700: #334155;
  --g-600: #475569;
  --g-500: #64748b;
  --g-400: #94a3b8;
  --g-300: #cbd5e1;
  --g-200: #e2e8f0;
  --g-100: #f1f5f9;
  --red: #d92d3f;
  --red-bg: #fdf1f2;
  --amber: #c9770b;
  --amber-bg: #fdf6e7;
  --green: #0b8a64;
  --green-bg: #eaf8f2;
  --violet: #6d3fd9;
  --violet-bg: #f3effd;
  --orange: #e0581a;
  --orange-bg: #fef2ea;
  --blue: #1f5ed8;
  --blue-bg: #edf3ff;

  --font: 'Pretendard Variable', 'Pretendard', -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  --serif: 'Noto Serif KR', 'Nanum Myeongjo', 'Batang', serif;

  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-full: 9999px;
  --sh-sm: 0 1px 2px rgba(8,20,42,.05), 0 1px 3px rgba(8,20,42,.04);
  --sh-md: 0 10px 30px -12px rgba(8,20,42,.18);
  --sh-lg: 0 30px 60px -25px rgba(8,20,42,.35);
  --header-h: 68px;
  --bar-h: 76px;
  --sidebar-w: 308px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: var(--font); color: var(--g-800); background: var(--ink-950);
  line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
code { font-family: ui-monospace, 'SF Mono', Consolas, monospace; font-size: .88em; background: rgba(15,23,42,.06);
  padding: 2px 7px; border-radius: 6px; color: var(--ink-800); }

/* ---------------- App frame ---------------- */
.lms-app { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.lms-body { display: flex; flex: 1; overflow: hidden; position: relative; }
.lms-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; position: relative;
  background: radial-gradient(1200px 500px at 70% -10%, rgba(200,161,75,.10), transparent 60%), var(--ivory); }

/* Header */
.lms-header {
  height: var(--header-h); flex-shrink: 0; z-index: 50;
  background: linear-gradient(180deg, #0b1a35, var(--ink-900));
  color: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0 26px; gap: 20px;
  border-bottom: 1px solid rgba(220,187,108,.28);
}
.header-left { display: flex; align-items: center; gap: 14px; }
.brand-title { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.01em; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(145deg, rgba(220,187,108,.25), rgba(56,209,245,.12));
  border: 1px solid rgba(220,187,108,.5); box-shadow: inset 0 0 12px rgba(220,187,108,.15);
}
.brand-text small { display: block; font-size: .68rem; font-weight: 600; letter-spacing: .22em; color: var(--gold-400); text-transform: uppercase; }
.brand-text span { font-size: 1.02rem; }
.brand-badge { font-size: .7rem; font-weight: 700; color: var(--gold-400); border: 1px solid rgba(220,187,108,.5);
  padding: 3px 10px; border-radius: var(--r-full); letter-spacing: .04em; }
.header-mid { display: flex; align-items: center; gap: 14px; min-width: 300px; flex: 0 1 380px; }
.progress-label { font-size: .8rem; color: var(--g-300); white-space: nowrap; font-variant-numeric: tabular-nums; }
.progress-track { flex: 1; height: 6px; background: rgba(255,255,255,.12); border-radius: var(--r-full); overflow: hidden; }
.progress-fill { height: 100%; width: 7.7%; border-radius: var(--r-full); transition: width .45s ease;
  background: linear-gradient(90deg, var(--gold-500), var(--cyan-400)); box-shadow: 0 0 12px rgba(56,209,245,.5); }
.header-right { display: flex; align-items: center; gap: 12px; font-size: .84rem; }
.user-pill { display: flex; align-items: center; gap: 9px; padding: 6px 14px; border-radius: var(--r-full);
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); }
.status-dot { width: 8px; height: 8px; background: #4ade80; border-radius: 50%; box-shadow: 0 0 8px #4ade80; }
.menu-toggle { display: none; background: none; border: none; color: #fff; cursor: pointer; padding: 6px; }

/* Sidebar */
.lms-sidebar {
  width: var(--sidebar-w); flex-shrink: 0; z-index: 40; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950)); color: var(--g-300);
  border-right: 1px solid rgba(255,255,255,.06); transition: transform .3s ease;
}
.sidebar-head { padding: 22px 24px 14px; display: flex; justify-content: space-between; align-items: center;
  font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-400); }
.sidebar-head .count { letter-spacing: .04em; color: var(--g-400); font-weight: 600; }
.nav-list { flex: 1; overflow-y: auto; list-style: none; padding: 6px 12px 12px; }
.nav-list::-webkit-scrollbar { width: 6px; } .nav-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 6px; }
.nav-group { font-size: .68rem; letter-spacing: .18em; color: var(--g-500); padding: 14px 12px 6px; font-weight: 700; text-transform: uppercase; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; margin-bottom: 2px; cursor: pointer;
  font-size: .85rem; color: var(--g-400); border-radius: 12px; transition: all .2s; }
.nav-item:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-item.active { background: linear-gradient(90deg, rgba(220,187,108,.18), rgba(56,209,245,.06)); color: #fff; font-weight: 700;
  box-shadow: inset 2px 0 0 var(--gold-400); }
.step-dot { width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center;
  font-size: .72rem; font-weight: 700; background: rgba(255,255,255,.06); color: var(--g-400); border: 1px solid rgba(255,255,255,.12); }
.nav-item.active .step-dot { background: var(--gold-400); color: var(--ink-900); border-color: var(--gold-400); }
.nav-item.done .step-dot { background: rgba(74,222,128,.14); color: #4ade80; border-color: rgba(74,222,128,.45); }
.nav-item.locked { opacity: .42; cursor: not-allowed; }
.nav-item.locked:hover { background: transparent; color: var(--g-400); }
.nav-item.locked .step-dot { background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.08); color: var(--g-600); }
.step-label { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-foot { margin: 12px; padding: 16px 18px; border-radius: 14px; font-size: .78rem; line-height: 1.6; color: var(--g-300);
  background: linear-gradient(135deg, rgba(217,45,63,.16), rgba(217,45,63,.04)); border: 1px solid rgba(217,45,63,.35); }
.sidebar-foot b { display: block; font-size: .68rem; letter-spacing: .18em; color: #ff8a96; margin-bottom: 4px; }
.sidebar-foot strong { color: #fff; font-size: 1.05rem; }

/* Slide viewport */
.slide-viewport { flex: 1; overflow-y: auto; padding: 32px 44px 40px; scroll-behavior: smooth; }
.slide-wrap { max-width: 1240px; width: 100%; margin: 0 auto; }
.slide {
  display: none; position: relative; background: var(--paper); border-radius: var(--r-lg);
  border: 1px solid var(--line); box-shadow: var(--sh-md); padding: 50px 58px;
  min-height: calc(100vh - var(--header-h) - var(--bar-h) - 72px); animation: fadeUp .45s ease; overflow: hidden;
}
.slide::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-400) 40%, transparent); }
.slide.active { display: flex; flex-direction: column; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* Bottom bar */
.lms-bar { height: var(--bar-h); flex-shrink: 0; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; z-index: 30;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-top: 1px solid var(--line); }
.step-count { font-size: .85rem; font-weight: 700; color: var(--g-600); letter-spacing: .14em; font-variant-numeric: tabular-nums; }

/* 우측 하단 스크롤 유도 플로팅 마크 */
.scroll-indicator {
  position: absolute;
  right: 36px;
  bottom: calc(var(--bar-h) + 16px);
  z-index: 35;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  background: rgba(11, 26, 53, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1.5px solid var(--gold-400);
  border-radius: var(--r-full);
  color: #fff;
  font-family: var(--font);
  font-size: .86rem;
  font-weight: 700;
  box-shadow: 0 10px 25px -4px rgba(0,0,0,.35), 0 0 16px rgba(220,187,108,.3);
  cursor: pointer;
  transition: opacity .35s ease, transform .35s ease, visibility .35s;
  animation: bouncePrompt 2.2s infinite ease-in-out;
  user-select: none;
}
.scroll-indicator:hover {
  background: rgba(23, 49, 95, 0.98);
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(0,0,0,.45), 0 0 24px rgba(220,187,108,.5);
}
.scroll-indicator .scroll-indicator-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(220, 187, 108, 0.22);
  color: var(--gold-400);
  font-size: .8rem;
  animation: bounceArrow 1.4s infinite ease-in-out;
}
.scroll-indicator.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px) scale(0.95);
}
.scroll-indicator.shake {
  animation: indShake .4s ease;
}
@keyframes indShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}
@keyframes bouncePrompt {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
@keyframes bounceArrow {
  0%, 100% { transform: translateY(-2px); }
  50% { transform: translateY(2px); }
}

/* 다음 단계 버튼 잠금 해제 펄스 */
.btn-unlocked-pulse {
  animation: unlockGlow 0.9s ease;
}
@keyframes unlockGlow {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(56, 209, 245, 0.7); }
  50% { transform: scale(1.06); box-shadow: 0 0 22px 6px rgba(56, 209, 245, 0.85); }
  100% { transform: scale(1); }
}

/* ---------------- Buttons / badges ---------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 24px; font-size: .95rem; font-weight: 700;
  border-radius: var(--r-full); cursor: pointer; border: 1px solid transparent; font-family: var(--font); transition: all .25s; text-decoration: none; }
.btn-ghost { background: #fff; color: var(--g-700); border-color: var(--g-300); }
.btn-ghost:hover:not(:disabled) { border-color: var(--ink-800); color: var(--ink-900); }
.btn-blue { background: linear-gradient(135deg, var(--ink-800), var(--ink-700)); color: #fff; box-shadow: 0 8px 20px -8px rgba(23,49,95,.7); }
.btn-blue:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 12px 24px -8px rgba(23,49,95,.8); }
.btn-green { background: linear-gradient(135deg, #0b8a64, #0fa37a); color: #fff; box-shadow: 0 8px 20px -8px rgba(11,138,100,.6); }
.btn-green:hover { transform: translateY(-1px); }
.btn-big { padding: 15px 34px; font-size: 1.05rem; }
.btn:disabled { opacity: .38; cursor: not-allowed; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; font-size: .78rem; font-weight: 700; border-radius: var(--r-full); }
.bg-red { background: var(--red-bg); color: var(--red); }
.bg-green { background: var(--green-bg); color: var(--green); }
.bg-blue { background: var(--blue-bg); color: var(--blue); }
.bg-amber { background: var(--amber-bg); color: var(--amber); }
.bg-violet { background: var(--violet-bg); color: var(--violet); }
.bg-orange { background: var(--orange-bg); color: var(--orange); }

.kbd { display: inline-grid; place-items: center; min-width: 46px; padding: 6px 14px; font-weight: 800; font-size: 1.05rem; color: var(--g-900);
  background: linear-gradient(180deg, #fff, #e8eaee); border: 1px solid var(--g-300); border-radius: 9px; box-shadow: 0 3px 0 var(--g-300), 0 6px 10px -4px rgba(0,0,0,.2); }

/* ---------------- Slide header ---------------- */
.slide-header { padding-bottom: 24px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.slide-cat { display: inline-flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 800; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-500); margin-bottom: 14px; }
.slide-cat::before { content: ""; width: 26px; height: 1px; background: var(--gold-500); }
.slide-cat.tone-red-t { color: var(--red); } .slide-cat.tone-red-t::before { background: var(--red); }
.slide-cat.tone-violet-t { color: var(--violet); } .slide-cat.tone-violet-t::before { background: var(--violet); }
.slide-cat.tone-green-t { color: var(--green); } .slide-cat.tone-green-t::before { background: var(--green); }
.slide-title { font-family: var(--serif); font-size: 2.3rem; font-weight: 900; color: var(--ink-900); letter-spacing: -.035em; line-height: 1.3; margin-bottom: 10px; word-break: keep-all; }
.slide-sub { font-size: 1.1rem; color: var(--g-600); word-break: keep-all; max-width: 820px; }

/* grids */
.g2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin: 18px 0; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 18px 0; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 18px 0; }

/* ---------------- Cards (tone system) ---------------- */
.tone-red { --tc: var(--red); --tb: var(--red-bg); }
.tone-amber { --tc: var(--amber); --tb: var(--amber-bg); }
.tone-green { --tc: var(--green); --tb: var(--green-bg); }
.tone-blue { --tc: var(--blue); --tb: var(--blue-bg); }
.tone-violet { --tc: var(--violet); --tb: var(--violet-bg); }
.tone-orange { --tc: var(--orange); --tb: var(--orange-bg); }

.card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px 28px; display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s; box-shadow: var(--sh-sm); overflow: hidden; }
.card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--tc, var(--gold-500)); }
.card:hover { transform: translateY(-3px); box-shadow: var(--sh-md); border-color: color-mix(in srgb, var(--tc, #c8a14b) 40%, #fff); }
.card h4 { font-size: 1.15rem; font-weight: 800; color: var(--g-900); margin-bottom: 12px; line-height: 1.45; display: flex; align-items: center; gap: 12px; letter-spacing: -.02em; }
.card p, .card li { font-size: 1rem; color: var(--g-700); line-height: 1.8; word-break: keep-all; }
.card ul { list-style: none; }
.card ul li { position: relative; padding-left: 16px; }
.card ul li::before { content: ""; position: absolute; left: 0; top: .85em; width: 6px; height: 6px; border-radius: 50%; background: var(--tc, var(--gold-500)); }
.card.tinted { background: linear-gradient(160deg, var(--tb) 0%, #fff 62%); }

.num-pill { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; font-size: .9rem; font-weight: 800; flex-shrink: 0;
  background: var(--tc); color: #fff; box-shadow: 0 6px 14px -6px var(--tc); }
.icon-chip { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: var(--tb); color: var(--tc); font-size: 1.15rem; flex-shrink: 0; }

/* Callouts */
.callout { border-radius: var(--r-md); padding: 22px 26px; margin: 20px 0 6px; display: flex; align-items: flex-start; gap: 18px; font-size: 1.04rem; line-height: 1.75;
  border: 1px solid var(--line); background: var(--tb); border-left: 4px solid var(--tc); color: var(--g-800); word-break: keep-all; }
.callout strong.t { display: block; font-size: 1.12rem; margin-bottom: 4px; color: var(--tc); letter-spacing: -.02em; }
.callout-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--tc); color: #fff; flex-shrink: 0; }

/* ---------------- Stat strip ---------------- */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 4px 0 24px; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: #fff; }
.stat-cell { padding: 20px 26px; position: relative; }
.stat-cell + .stat-cell { border-left: 1px solid var(--line); }
.stat-cell .k { font-size: .74rem; font-weight: 800; letter-spacing: .1em; color: var(--g-500); }
.stat-cell .v { font-family: var(--serif); font-size: 2.3rem; font-weight: 900; line-height: 1.2; margin: 4px 0 2px; color: var(--tc); letter-spacing: -.03em; }
.stat-cell .d { font-size: .82rem; color: var(--g-500); }

/* ---------------- Feature figure (image) ---------------- */
.case-feature { display: grid; grid-template-columns: 1.05fr 1fr; gap: 0; border-radius: var(--r-lg); overflow: hidden; margin: 6px 0 22px;
  background: var(--ink-900); color: #fff; box-shadow: var(--sh-lg); border: 1px solid rgba(255,255,255,.08); }
.case-figure { position: relative; min-height: 360px; }
.case-figure img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,20,42,0) 55%, rgba(8,20,42,.95)), linear-gradient(0deg, rgba(8,20,42,.7), transparent 45%); }
.figure-tag { position: absolute; left: 22px; bottom: 20px; z-index: 2; display: flex; gap: 8px; flex-wrap: wrap; }
.figure-tag span { font-size: .75rem; font-weight: 800; letter-spacing: .06em; padding: 6px 12px; border-radius: var(--r-full); background: rgba(8,20,42,.7); color: #fff;
  border: 1px solid rgba(255,255,255,.25); backdrop-filter: blur(6px); }
.figure-tag span.hot { background: rgba(217,45,63,.85); border-color: rgba(255,255,255,.3); }
.case-body { padding: 36px 40px; display: flex; flex-direction: column; justify-content: center; }
.case-body .eyebrow { font-size: .72rem; font-weight: 800; letter-spacing: .2em; color: #ff8a96; margin-bottom: 10px; }
.case-body h4 { font-family: var(--serif); font-size: 1.55rem; font-weight: 900; line-height: 1.4; letter-spacing: -.03em; margin-bottom: 18px; }
.fact-list { list-style: none; display: grid; gap: 12px; }
.fact-list li { display: grid; grid-template-columns: 82px 1fr; gap: 14px; font-size: .96rem; line-height: 1.7; color: #d7deea; word-break: keep-all; }
.fact-list li b { color: var(--gold-400); font-weight: 800; font-size: .82rem; letter-spacing: .06em; padding-top: 2px; }
.fact-list li strong { color: #fff; }
.lesson { margin-top: 18px; padding: 14px 18px; border-radius: 12px; background: rgba(56,209,245,.1); border: 1px solid rgba(56,209,245,.35); font-size: .93rem; color: #e6f7fd; line-height: 1.65; word-break: keep-all; }
.lesson b { color: var(--cyan-300); letter-spacing: .08em; font-size: .72rem; display: block; margin-bottom: 2px; }

/* ---------------- Attack flow ---------------- */
.flow { display: flex; align-items: stretch; gap: 0; margin: 14px 0 6px; }
.flow-step { flex: 1; position: relative; padding: 16px 18px; background: #fff; border: 1px solid var(--line); border-radius: 12px; text-align: center; }
.flow-step + .flow-step { margin-left: 30px; }
.flow-step + .flow-step::before { content: "\f054"; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; left: -24px; top: 50%; transform: translateY(-50%);
  color: var(--tc, var(--gold-500)); font-size: .85rem; }
.flow-step .ico { width: 40px; height: 40px; border-radius: 12px; margin: 0 auto 8px; display: grid; place-items: center; background: var(--tb); color: var(--tc); }
.flow-step .t { font-weight: 800; font-size: .9rem; color: var(--g-900); line-height: 1.4; word-break: keep-all; }
.flow-step .s { font-size: .78rem; color: var(--g-500); margin-top: 2px; line-height: 1.45; word-break: keep-all; }
.flow-step.end { background: var(--tc); border-color: var(--tc); }
.flow-step.end .ico { background: rgba(255,255,255,.2); color: #fff; }
.flow-step.end .t, .flow-step.end .s { color: #fff; }

.case-card { padding: 28px 30px; }
.case-card .top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.case-card .loss { font-size: .85rem; font-weight: 800; color: var(--tc); }
.case-card h4 { font-family: var(--serif); font-size: 1.3rem; font-weight: 900; }
.case-card .takeaway { margin-top: 14px; padding: 12px 16px; background: var(--tb); border-radius: 10px; font-size: .92rem; color: var(--g-800); line-height: 1.65; word-break: keep-all; }
.case-card .takeaway b { color: var(--tc); letter-spacing: .08em; font-size: .72rem; display: block; }

/* domain compare */
.domain-compare { margin-top: 14px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); font-family: ui-monospace, Consolas, monospace; font-size: .92rem; }
.domain-compare div { padding: 10px 16px; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.domain-compare .ok { background: var(--green-bg); color: var(--green); }
.domain-compare .bad { background: var(--red-bg); color: var(--red); border-top: 1px solid var(--line); }
.domain-compare em { font-style: normal; background: var(--red); color: #fff; padding: 0 3px; border-radius: 3px; }
.domain-compare small { font-family: var(--font); font-weight: 700; font-size: .72rem; letter-spacing: .08em; }

/* ---------------- Cover ---------------- */
.cover-slide {
  background: radial-gradient(circle at 78% 18%, rgba(47,107,255,.25), transparent 50%), linear-gradient(135deg, #040a14 0%, #08142a 55%, #0e1f3d 100%) !important;
  color: #fff; border-color: rgba(220,187,108,.3) !important; box-shadow: var(--sh-lg); padding: 56px 58px !important;
}
.cover-slide::before { height: 2px; background: linear-gradient(90deg, transparent, var(--gold-400), var(--cyan-400), transparent); }
.cover-visual { position: absolute; top: 0; right: 0; bottom: 0; width: 62%; z-index: 0; pointer-events: none; }
.cover-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 50%; opacity: .9;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%); mask-image: linear-gradient(90deg, transparent 0%, #000 55%); }
.cover-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,10,20,.85), transparent 45%); }
.cover-content { position: relative; z-index: 2; max-width: 640px; }
.cover-year-tag { display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px; border-radius: var(--r-full); font-size: .78rem; font-weight: 800; letter-spacing: .16em;
  color: var(--gold-400); border: 1px solid rgba(220,187,108,.5); background: rgba(220,187,108,.08); margin-bottom: 26px; text-transform: uppercase; }
.cover-h1 { font-family: var(--serif); font-size: 2.2rem; font-weight: 700; line-height: 1.3; letter-spacing: -.03em; color: #dbe5f5; }
.cover-h2 { font-family: var(--serif); font-size: 3.5rem; font-weight: 900; line-height: 1.2; letter-spacing: -.04em; margin: 4px 0 22px;
  background: linear-gradient(100deg, #fff 10%, var(--gold-400) 55%, var(--cyan-300)); -webkit-background-clip: text; background-clip: text; color: transparent; word-break: keep-all; }
.cover-desc { font-size: 1.05rem; line-height: 1.8; color: #b9c6dc; margin-bottom: 28px; word-break: keep-all; }
.cover-desc strong { color: #fff; }
.cover-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 28px; max-width: 620px; }
.stat-box { padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.stat-label { font-size: .7rem; color: var(--gold-400); letter-spacing: .14em; margin-bottom: 4px; font-weight: 700; }
.stat-val { font-size: .92rem; font-weight: 700; color: #f1f5fb; line-height: 1.45; }
.learner-form-box { position: relative; z-index: 2; padding: 24px 28px; border-radius: var(--r-md); margin-bottom: 26px; max-width: 880px;
  background: rgba(8,20,42,.72); border: 1px solid rgba(220,187,108,.3); backdrop-filter: blur(14px); }
.learner-form-box h3 { font-size: .95rem; font-weight: 800; color: #e6edf9; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.learner-form-box h3 i { color: var(--gold-400); }
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .76rem; font-weight: 700; color: var(--g-400); letter-spacing: .04em; }
.form-group input, .form-group select { padding: 12px 14px; border-radius: 10px; font-size: .95rem; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.2);
  color: #fff; outline: none; font-family: var(--font); transition: all .2s; }
.form-group input::placeholder { color: #6b7a93; }
.form-group input:focus, .form-group select:focus { border-color: var(--gold-400); box-shadow: 0 0 0 3px rgba(220,187,108,.2); }
.form-group select option { background: var(--ink-800); color: #fff; }
.form-error { font-size: .82rem; color: #fca5a5; margin-top: 10px; display: none; }
.form-error.show { display: block; }
.cover-cta { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 12px; padding: 16px 38px; font-size: 1.05rem; font-weight: 800; border: none; cursor: pointer;
  font-family: var(--font); color: var(--ink-950); border-radius: var(--r-full); background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  box-shadow: 0 14px 30px -10px rgba(200,161,75,.7); transition: all .25s; }
.cover-cta:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -10px rgba(200,161,75,.85); }
.cover-note { font-size: .82rem; color: var(--g-400); }

/* ---------------- Pillars (page 4) ---------------- */
.role-card .role-ico { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 16px;
  background: var(--tc); color: #fff; box-shadow: 0 10px 20px -8px var(--tc); }
.purpose { margin-top: 22px; border-radius: var(--r-lg); padding: 34px 40px; color: #fff; position: relative; overflow: hidden;
  background: radial-gradient(circle at 90% 20%, rgba(56,209,245,.22), transparent 45%), linear-gradient(135deg, var(--ink-900), var(--ink-700)); border: 1px solid rgba(220,187,108,.35); }
.purpose h4 { font-family: var(--serif); font-size: 1.4rem; color: var(--gold-400); margin-bottom: 10px; }
.purpose p { color: #dbe5f5; font-size: 1.05rem; line-height: 1.85; word-break: keep-all; }
.rules-overview { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 22px; }
.ro-item { text-align: center; padding: 18px 10px; border-radius: 14px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); font-size: .82rem; font-weight: 700; color: #fff; line-height: 1.4; }
.ro-item i { display: block; font-size: 1.4rem; color: var(--gold-400); margin-bottom: 8px; }

/* ---------------- Password lab (page 6) ---------------- */
.pw-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 6px 0 20px; }
.pw-panel { border-radius: var(--r-md); padding: 24px 26px; border: 1px solid var(--line); background: #fff; position: relative; overflow: hidden; }
.pw-panel.weak { background: linear-gradient(160deg, var(--red-bg), #fff 70%); border-color: #f5c9ce; }
.pw-panel.strong { background: linear-gradient(160deg, var(--green-bg), #fff 70%); border-color: #bde6d7; }
.pw-panel h4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.pw-panel.weak h4 { color: var(--red); } .pw-panel.strong h4 { color: var(--green); }
.pw-row { display: grid; grid-template-columns: 120px 1fr 62px; gap: 12px; align-items: center; padding: 8px 0; font-size: .9rem; }
.pw-row code { background: #fff; border: 1px solid var(--line); text-align: center; padding: 5px 8px; font-weight: 700; }
.pw-bar { height: 8px; border-radius: 8px; background: var(--g-200); overflow: hidden; }
.pw-bar i { display: block; height: 100%; border-radius: 8px; }
.pw-row .tt { font-size: .74rem; font-weight: 800; text-align: right; }
.pw-big { font-family: ui-monospace, Consolas, monospace; font-size: 1.55rem; font-weight: 800; letter-spacing: .04em; color: var(--green); background: #fff; border: 1px dashed #7ccfb2;
  border-radius: 12px; padding: 14px 18px; text-align: center; margin: 12px 0; }
.pw-checks { list-style: none; display: grid; gap: 8px; font-size: .95rem; color: var(--g-700); }
.pw-checks li i { color: var(--green); margin-right: 8px; }
.pw-lab { margin-top: 14px; border-radius: var(--r-md); padding: 22px 26px; background: var(--ink-900); color: #fff; border: 1px solid rgba(220,187,108,.3); }
.pw-lab h4 { font-size: 1rem; color: var(--gold-400); margin-bottom: 4px; display: flex; gap: 10px; align-items: center; }
.pw-lab > p { font-size: .86rem; color: var(--g-400); margin-bottom: 14px; }
.pw-lab input { width: 100%; padding: 13px 16px; border-radius: 10px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); color: #fff; font-size: 1.05rem; font-family: ui-monospace, Consolas, monospace; outline: none; }
.pw-lab input:focus { border-color: var(--gold-400); }
.pw-meter { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 14px 0 8px; }
.pw-meter i { height: 7px; border-radius: 7px; background: rgba(255,255,255,.14); transition: background .25s; }
.pw-result { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .88rem; color: var(--g-300); }
.pw-result b { color: #fff; }
.pw-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.pw-tags span { font-size: .74rem; font-weight: 700; padding: 4px 10px; border-radius: var(--r-full); background: rgba(255,255,255,.08); color: var(--g-400); border: 1px solid rgba(255,255,255,.12); }
.pw-tags span.on { background: rgba(74,222,128,.15); color: #4ade80; border-color: rgba(74,222,128,.45); }

/* ---------------- Desk / lock (page 7) ---------------- */
.lock-demo { display: grid; grid-template-columns: 1.1fr 1fr; gap: 22px; margin: 6px 0 18px; }
.monitor { position: relative; border-radius: var(--r-md); padding: 26px; background: linear-gradient(145deg, var(--ink-900), var(--ink-700)); color: #fff; overflow: hidden; border: 1px solid rgba(220,187,108,.3); }
.monitor::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle, rgba(56,209,245,.3), transparent 65%); }
.monitor h4 { color: var(--gold-400); font-size: .78rem; letter-spacing: .2em; margin-bottom: 18px; }
.keys { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.keys .plus { color: var(--g-400); font-weight: 700; }
.keys .kbd { font-size: 1.3rem; min-width: 64px; padding: 12px 18px; }
.monitor p { color: #c8d4e8; font-size: .98rem; line-height: 1.75; word-break: keep-all; position: relative; z-index: 1; }
.monitor p strong { color: #fff; }
.timer-card { border-radius: var(--r-md); padding: 24px; background: #fff; border: 1px solid var(--line); display: flex; align-items: center; gap: 24px; }
.ring { width: 130px; height: 130px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center; position: relative;
  background: conic-gradient(var(--gold-500) 0 25%, var(--g-200) 0 100%); }
.ring::before { content: ""; position: absolute; inset: 11px; background: #fff; border-radius: 50%; }
.ring span { position: relative; text-align: center; font-family: var(--serif); font-weight: 900; font-size: 2.1rem; color: var(--ink-900); line-height: 1; }
.ring small { display: block; font-family: var(--font); font-size: .7rem; letter-spacing: .12em; color: var(--g-500); margin-top: 4px; }
.timer-card p { font-size: .98rem; color: var(--g-700); line-height: 1.75; word-break: keep-all; }
.deskcheck { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 8px 0 16px; }
.desk-col { border-radius: var(--r-md); padding: 20px 24px; border: 1px solid var(--line); }
.desk-col.no { background: var(--red-bg); border-color: #f5c9ce; } .desk-col.yes { background: var(--green-bg); border-color: #bde6d7; }
.desk-col h5 { font-size: .85rem; letter-spacing: .12em; font-weight: 800; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.desk-col.no h5 { color: var(--red); } .desk-col.yes h5 { color: var(--green); }
.desk-col ul { list-style: none; display: grid; gap: 6px; font-size: .94rem; color: var(--g-700); }
.desk-col.no li::before { content: "\f00d"; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--red); margin-right: 10px; }
.desk-col.yes li::before { content: "\f00c"; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--green); margin-right: 10px; }

/* ---------------- Phishing mock (page 8) ---------------- */
.phish-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 22px; margin: 4px 0 18px; align-items: start; }
.mail-mock { border-radius: var(--r-md); border: 1px solid var(--g-300); background: #fff; box-shadow: var(--sh-md); overflow: hidden; }
.mail-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; background: var(--g-100); border-bottom: 1px solid var(--g-200); }
.mail-bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.mail-bar i:nth-child(1) { background: #ff6058; } .mail-bar i:nth-child(2) { background: #ffbd2e; } .mail-bar i:nth-child(3) { background: #28c940; }
.mail-bar span { margin-left: 10px; font-size: .74rem; color: var(--g-500); font-weight: 600; letter-spacing: .04em; }
.mail-head { padding: 16px 22px; border-bottom: 1px solid var(--g-200); display: grid; gap: 6px; font-size: .9rem; }
.mail-head .row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.mail-head .row b { width: 54px; color: var(--g-500); font-weight: 600; font-size: .8rem; }
.mail-body { padding: 20px 22px; font-size: .95rem; line-height: 1.85; color: var(--g-700); }
.mail-attach { margin: 0 22px 22px; display: inline-flex; align-items: center; gap: 12px; padding: 10px 16px; border: 1px solid var(--g-300); border-radius: 10px; background: var(--g-100); font-size: .9rem; font-weight: 600; }
.mail-attach i { color: #1d7a46; font-size: 1.2rem; }
.hot { position: relative; cursor: pointer; border-radius: 6px; transition: all .2s; outline: 2px dashed transparent; outline-offset: 3px; }
.hot:hover, .hot.on { outline-color: var(--red); background: rgba(217,45,63,.08); }
.hot .pin { position: absolute; top: -10px; right: -12px; width: 22px; height: 22px; border-radius: 50%; background: var(--red); color: #fff; font-size: .72rem; font-weight: 800; display: grid; place-items: center;
  box-shadow: 0 0 0 0 rgba(217,45,63,.6); animation: pulse 2s infinite; }
.hot.on .pin { animation: none; background: var(--green); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(217,45,63,.55); } 70% { box-shadow: 0 0 0 10px rgba(217,45,63,0); } 100% { box-shadow: 0 0 0 0 rgba(217,45,63,0); } }
.flag-list { display: grid; gap: 10px; }
.flag-item { display: grid; grid-template-columns: 34px 1fr; gap: 14px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: #fff; cursor: pointer; transition: all .25s; }
.flag-item .n { width: 30px; height: 30px; border-radius: 50%; background: var(--g-200); color: var(--g-600); display: grid; place-items: center; font-weight: 800; font-size: .82rem; }
.flag-item .h { font-weight: 800; font-size: .95rem; color: var(--g-900); }
.flag-item .x { font-size: .88rem; color: var(--g-600); line-height: 1.6; display: none; margin-top: 4px; word-break: keep-all; }
.flag-item.on { border-color: var(--red); background: var(--red-bg); }
.flag-item.on .n { background: var(--red); color: #fff; }
.flag-item.on .x { display: block; }
.flag-hint { font-size: .8rem; color: var(--g-500); margin-bottom: 4px; letter-spacing: .02em; }
.ext-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.ext-row .badge { font-family: ui-monospace, Consolas, monospace; font-size: .85rem; padding: 7px 14px; }

/* ---------------- USB flow / watermark (page 9) ---------------- */
.decision { display: flex; align-items: center; gap: 0; margin: 6px 0 18px; padding: 20px 24px; border-radius: var(--r-md); background: var(--ink-900); color: #fff; border: 1px solid rgba(220,187,108,.3); flex-wrap: wrap; row-gap: 14px; }
.dnode { flex: 1; min-width: 150px; text-align: center; }
.dnode .c { width: 54px; height: 54px; margin: 0 auto 8px; border-radius: 16px; display: grid; place-items: center; font-size: 1.3rem; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); }
.dnode .c.bad { background: rgba(217,45,63,.2); border-color: rgba(217,45,63,.6); color: #ff8a96; }
.dnode .c.good { background: rgba(74,222,128,.15); border-color: rgba(74,222,128,.5); color: #4ade80; }
.dnode b { display: block; font-size: .92rem; } .dnode small { color: var(--g-400); font-size: .78rem; }
.darrow { color: var(--gold-400); padding: 0 6px; }
.watermark-demo { position: relative; background: #fff; border: 1px solid var(--g-300); border-radius: var(--r-md); padding: 26px 30px; overflow: hidden; margin: 6px 0; box-shadow: var(--sh-md); display: grid; grid-template-columns: 1.2fr 1fr; gap: 26px; align-items: center; }
.watermark-demo::after { content: "대외비 CONFIDENTIAL"; position: absolute; top: 50%; left: 28%; transform: translate(-50%, -50%) rotate(-22deg); font-size: 2.4rem; font-weight: 900; color: rgba(217,45,63,.1); pointer-events: none; white-space: nowrap; }
.doc-lines i { display: block; height: 9px; border-radius: 6px; background: var(--g-200); margin-bottom: 10px; }
.doc-stamp { font-size: .78rem; color: var(--g-500); border-top: 1px solid var(--g-200); padding-top: 10px; margin-top: 14px; font-family: ui-monospace, Consolas, monospace; }
.watermark-demo h4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 8px; color: var(--g-900); position: relative; z-index: 1; }
.watermark-demo p { font-size: .96rem; color: var(--g-700); line-height: 1.75; word-break: keep-all; position: relative; z-index: 1; }

/* ---------------- Emergency steps (page 11) ---------------- */
.em-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 6px 0 14px; position: relative; }
.em-card { position: relative; border-radius: var(--r-lg); padding: 32px 28px 28px; background: #fff; border: 1px solid var(--line); box-shadow: var(--sh-md); overflow: hidden; }
.em-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px; background: var(--tc); }
.em-card .bignum { position: absolute; right: 18px; top: 8px; font-family: var(--serif); font-weight: 900; font-size: 5.2rem; line-height: 1; color: var(--tb); -webkit-text-stroke: 1px color-mix(in srgb, var(--tc) 25%, transparent); }
.em-card .ico { width: 58px; height: 58px; border-radius: 18px; background: var(--tc); color: #fff; display: grid; place-items: center; font-size: 1.5rem; margin-bottom: 16px; box-shadow: 0 12px 22px -10px var(--tc); position: relative; }
.em-card h4 { font-family: var(--serif); font-size: 1.35rem; font-weight: 900; color: var(--tc); margin: 8px 0 10px; position: relative; }
.em-card p { font-size: .98rem; color: var(--g-700); line-height: 1.75; word-break: keep-all; position: relative; }
.em-card .hint { margin-top: 12px; padding: 10px 14px; border-radius: 10px; background: var(--tb); color: var(--tc); font-size: .86rem; font-weight: 700; line-height: 1.55; position: relative; }
.hotline-box { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 10px; padding: 18px 26px; border-radius: var(--r-md); background: linear-gradient(135deg, var(--ink-900), var(--ink-700)); color: #fff; border: 1px solid rgba(220,187,108,.4); }
.hotline-box .lbl { font-size: .72rem; letter-spacing: .2em; color: var(--gold-400); font-weight: 800; }
.hotline-box .num { font-family: var(--serif); font-size: 1.9rem; font-weight: 900; }

/* ---------------- Quiz ---------------- */
.quiz-list { display: flex; flex-direction: column; gap: 22px; }
.q-box { border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px 28px; transition: all .25s; background: #fff; box-shadow: var(--sh-sm); }
.q-box.correct { border-color: var(--green); background: linear-gradient(160deg, var(--green-bg), #fff 70%); }
.q-box.wrong { border-color: var(--red); background: linear-gradient(160deg, var(--red-bg), #fff 70%); }
.q-head { display: flex; align-items: flex-start; gap: 14px; font-size: 1.12rem; font-weight: 800; color: var(--g-900); margin-bottom: 16px; line-height: 1.6; word-break: keep-all; }
.q-num { background: var(--ink-900); color: var(--gold-400); padding: 5px 12px; border-radius: var(--r-full); font-size: .74rem; font-weight: 800; flex-shrink: 0; letter-spacing: .04em; margin-top: 3px; }
.q-opts { display: flex; flex-direction: column; gap: 10px; }
.q-opt { display: flex; align-items: center; gap: 14px; padding: 14px 18px; background: #fff; border: 1px solid var(--g-300); border-radius: 12px; cursor: pointer; font-size: .98rem; color: var(--g-800); transition: all .2s; word-break: keep-all; }
.q-opt:hover { border-color: var(--gold-500); background: var(--gold-100); }
.q-opt:has(input:checked) { border-color: var(--ink-700); background: var(--blue-bg); box-shadow: inset 3px 0 0 var(--ink-700); }
.q-opt input[type="radio"] { width: 19px; height: 19px; accent-color: var(--ink-700); cursor: pointer; flex-shrink: 0; }
.q-explain { display: none; margin-top: 16px; padding: 16px 20px; background: #fff; border-radius: 12px; border: 1px dashed var(--g-400); font-size: .96rem; color: var(--g-800); line-height: 1.75; word-break: keep-all; }
.q-explain.show { display: block; }
.quiz-submit-area { background: linear-gradient(160deg, var(--gold-100), #fff); border: 1px solid #ecdcae; border-radius: var(--r-md); padding: 30px; text-align: center; margin-top: 24px; }
.score-display { font-family: var(--serif); font-size: 1.8rem; font-weight: 900; color: var(--ink-900); margin-bottom: 10px; }
.score-msg { font-size: 1rem; color: var(--g-700); margin-bottom: 18px; }

/* ---------------- Certificate ---------------- */
.cert-card { position: relative; padding: 56px 52px; text-align: center; margin: 14px 0; background: #fffdf8; box-shadow: var(--sh-lg);
  border: 1px solid var(--gold-500); outline: 1px solid var(--gold-500); outline-offset: -14px; border-radius: 6px; overflow: hidden; }
.cert-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 0%, rgba(200,161,75,.12), transparent 55%); pointer-events: none; }
.cert-seal { width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%; display: grid; place-items: center; color: var(--ink-900); font-size: 1.6rem;
  background: linear-gradient(145deg, var(--gold-400), var(--gold-500)); box-shadow: 0 10px 20px -8px rgba(200,161,75,.8); position: relative; }
.cert-en { font-size: .78rem; color: var(--gold-500); letter-spacing: .32em; margin-bottom: 14px; font-weight: 700; position: relative; }
.cert-title { font-family: var(--serif); font-size: 2.2rem; font-weight: 900; color: var(--ink-900); letter-spacing: .14em; display: inline-block; padding-bottom: 12px; margin-bottom: 22px; position: relative; border-bottom: 1px solid var(--gold-500); }
.cert-body { font-size: 1.05rem; line-height: 2.05; color: var(--g-700); margin: 24px 0; word-break: keep-all; position: relative; }
.cert-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 28px; max-width: 560px; margin: 0 auto 30px; text-align: left; font-size: .92rem; background: #fff; padding: 18px 26px; border-radius: 12px; border: 1px solid var(--line); position: relative; }
.cert-meta b { color: var(--g-500); font-weight: 600; margin-right: 6px; }
.cert-sign { display: flex; justify-content: center; align-items: center; gap: 20px; font-family: var(--serif); font-size: 1.15rem; font-weight: 800; color: var(--ink-900); margin-top: 30px; position: relative; }
.ciso-stamp { width: 72px; height: 72px; border: 3px solid var(--red); color: var(--red); border-radius: 50%; display: grid; place-items: center; font-size: .78rem; font-weight: 900; transform: rotate(-10deg); text-align: center; line-height: 1.3; opacity: .88; }
.cert-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.poster-trigger-area { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 30px; padding: 22px 28px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--ink-900), var(--ink-700)); color: #fff; border: 1px solid rgba(220,187,108,.35); }
.poster-trigger-area h4 { font-family: var(--serif); font-size: 1.1rem; color: var(--gold-400); }
.poster-trigger-area p { font-size: .88rem; color: var(--g-300); }

/* Resume overlay */
.resume-overlay { display: none; position: fixed; inset: 0; background: rgba(4,10,20,.82); backdrop-filter: blur(6px); z-index: 200; align-items: center; justify-content: center; }
.resume-overlay.show { display: flex; }
.resume-box { background: #fff; border-radius: var(--r-lg); padding: 42px 48px; text-align: center; max-width: 480px; width: 90%; box-shadow: var(--sh-lg); border-top: 3px solid var(--gold-500); }
.resume-box .ico { width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 18px; display: grid; place-items: center; background: var(--gold-100); color: var(--gold-500); font-size: 1.6rem; }
.resume-box h3 { font-family: var(--serif); font-size: 1.4rem; font-weight: 900; color: var(--g-900); margin-bottom: 10px; }
.resume-box p { font-size: .95rem; color: var(--g-600); margin-bottom: 26px; }
.resume-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Poster modal */
.poster-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.72); z-index: 300; align-items: center; justify-content: center; }
.poster-modal.show { display: flex; }
.poster-inner { background: #fff; width: 720px; max-width: 96vw; max-height: 96vh; overflow-y: auto; border-radius: var(--r-lg); position: relative; }
.poster-close { position: sticky; top: 0; right: 0; float: right; background: var(--ink-900); color: #fff; border: none; cursor: pointer; font-size: 1.2rem; width: 42px; height: 42px; border-radius: 0 var(--r-lg) 0 var(--r-sm); z-index: 2; }
.poster-content { padding: 36px 40px; font-family: var(--font); }
.poster-header { text-align: center; border-bottom: 3px double var(--gold-500); padding-bottom: 16px; margin-bottom: 24px; }
.poster-header .co-name { font-size: .75rem; font-weight: 800; color: var(--gold-500); letter-spacing: .24em; margin-bottom: 6px; }
.poster-header h1 { font-family: var(--serif); font-size: 1.7rem; font-weight: 900; color: var(--ink-900); letter-spacing: -.02em; }
.poster-header p { font-size: .85rem; color: var(--g-600); margin-top: 4px; }
.poster-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 20px; }
.poster-rule { border: 1px solid var(--g-300); border-radius: 10px; padding: 14px 16px; page-break-inside: avoid; }
.poster-rule-head { display: flex; align-items: center; gap: 8px; font-size: 1rem; font-weight: 800; color: var(--ink-800); margin-bottom: 8px; }
.poster-rule-circle { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: .85rem; flex-shrink: 0; }
.poster-rule ul { padding-left: 16px; font-size: .8rem; color: var(--g-700); line-height: 1.7; }
.poster-emergency { background: var(--red-bg); border: 2px solid var(--red); border-radius: 10px; padding: 16px 20px; margin-bottom: 16px; }
.poster-emergency h2 { font-size: 1.1rem; font-weight: 900; color: var(--red); text-align: center; margin-bottom: 12px; }
.emergency-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.em-step { background: #fff; border-radius: 8px; padding: 12px; border: 1px solid #f5c9ce; text-align: center; }
.em-step .step-badge { display: inline-block; font-size: .72rem; font-weight: 800; padding: 2px 8px; border-radius: 4px; margin-bottom: 6px; }
.em-step .step-action { font-size: .8rem; font-weight: 700; color: var(--g-900); margin-bottom: 4px; }
.em-step .step-detail { font-size: .73rem; color: var(--g-600); line-height: 1.4; }
.poster-hotline { text-align: center; padding: 12px; background: var(--ink-900); color: #fff; border-radius: 10px; font-size: .86rem; font-weight: 700; }
.poster-hotline span { color: var(--gold-400); font-size: 1.1rem; }
.poster-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--g-200); padding-top: 12px; margin-top: 16px; font-size: .72rem; color: var(--g-500); gap: 8px; flex-wrap: wrap; }

/* ================= Responsive ================= */
@media (max-width: 1100px) {
  .header-mid { min-width: 0; flex: 0 1 260px; }
  .case-feature { grid-template-columns: 1fr; }
  .case-figure { min-height: 260px; }
  .case-figure::after { background: linear-gradient(0deg, rgba(8,20,42,.95), transparent 70%); }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .phish-grid, .lock-demo { grid-template-columns: 1fr; }
  .cover-visual { width: 100%; opacity: .5; }
  .cover-visual img { -webkit-mask-image: linear-gradient(0deg, transparent, #000 70%); mask-image: linear-gradient(0deg, transparent, #000 70%); }
}
@media (max-width: 900px) {
  .lms-sidebar { position: absolute; top: 0; bottom: 0; left: 0; box-shadow: 8px 0 30px rgba(0,0,0,.4); transform: translateX(-100%); }
  .lms-sidebar.open { transform: none; }
  .menu-toggle { display: block; }
  .lms-header { padding: 0 14px; }
  .brand-badge, .user-pill span { display: none; }
  .header-mid { flex: 1; min-width: 0; }
  .progress-label { display: none; }
  .slide-viewport { padding: 14px 12px 24px; }
  .slide { padding: 28px 20px; }
  .cover-slide { padding: 30px 20px !important; }
  .cover-h1 { font-size: 1.5rem; } .cover-h2 { font-size: 2.2rem; }
  .slide-title { font-size: 1.6rem; }
  .cover-stats, .form-row, .stat-strip, .g2, .g3, .g4, .pw-compare, .deskcheck, .em-timeline, .watermark-demo, .poster-grid, .emergency-steps, .cert-meta { grid-template-columns: 1fr; }
  .stat-cell + .stat-cell { border-left: 0; border-top: 1px solid var(--line); }
  .rules-overview { grid-template-columns: repeat(2, 1fr); }
  .flow { flex-direction: column; gap: 22px; }
  .flow-step + .flow-step { margin-left: 0; }
  .flow-step + .flow-step::before { content: "\f078"; left: 50%; top: -20px; transform: translateX(-50%); }
  .case-body { padding: 26px 22px; }
  .fact-list li { grid-template-columns: 1fr; gap: 0; }
  .pw-row { grid-template-columns: 96px 1fr 50px; }
  .timer-card { flex-direction: column; text-align: center; }
  .lms-bar { padding: 0 14px; } .lms-bar .btn { padding: 11px 16px; font-size: .88rem; }
  .step-count { font-size: .7rem; letter-spacing: .06em; }
  .cert-card { padding: 38px 20px; }
  .decision { flex-direction: column; }
  .darrow { transform: rotate(90deg); }
  .scroll-indicator { right: 14px; bottom: calc(var(--bar-h) + 10px); padding: 8px 14px; font-size: .78rem; gap: 7px; }
}

/* ================= Print ================= */
@media print {
  .lms-header, .lms-sidebar, .lms-bar, .scroll-indicator, .menu-toggle, .btn, .cert-actions, .poster-trigger-area, .poster-close, .resume-overlay, #btnEditLearner { display: none !important; }
  body { background: #fff !important; }
  .lms-app, .lms-body, .lms-main, .slide-viewport { height: auto !important; overflow: visible !important; background: #fff !important; }
  .slide { display: none !important; box-shadow: none !important; border: none !important; padding: 0 !important; }
  body.print-cert #page-13 { display: block !important; }
  body.print-cert #page-13 > .slide-header { display: none !important; }
  body.print-cert .cert-card { padding: 40px 36px !important; margin: 0 auto !important; box-shadow: none !important; page-break-inside: avoid !important; }
  body.print-poster .poster-modal { display: block !important; position: static !important; background: none !important; }
  body.print-poster .poster-inner { width: 100% !important; max-height: none !important; box-shadow: none !important; border-radius: 0 !important; }
  body.print-poster .poster-inner > div:last-child { display: none !important; }
  body.print-poster .poster-content { padding: 12px 16px !important; }
  body.print-poster .poster-header { padding-bottom: 8px !important; margin-bottom: 12px !important; }
  body.print-poster .poster-header h1 { font-size: 1.35rem !important; }
  body.print-poster .poster-grid { gap: 10px !important; margin-bottom: 10px !important; }
  body.print-poster .poster-rule { padding: 8px 12px !important; page-break-inside: avoid !important; }
  body.print-poster .poster-emergency { padding: 10px 14px !important; margin-bottom: 10px !important; page-break-inside: avoid !important; }
  body.print-poster .poster-hotline { padding: 8px !important; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}