/* ════════════════════════════════════════════════════════════
   제이씨드 · 재테크 클래스 · v2.0 (토스증권 톤 정돈)
   - 화이트 베이스 + 절제된 강조 (브랜드 노랑은 포인트로만)
   - 한국 증권 관습: 상승=빨강, 하락=파랑
   - 강한 그리드 / 명료 타이포 / 규칙적 8px 리듬
   ════════════════════════════════════════════════════════════ */
:root {
  /* 베이스 — 거의 순백, 미세하게 따뜻한 화이트 */
  --bg:           #FFFFFF;
  --bg-soft:      #F9FAFB;
  --bg-mute:      #F2F4F6;
  --bg-card:      #FFFFFF;

  /* 텍스트 위계 */
  --t-900:        #191F28;   /* 헤드 */
  --t-700:        #333D4B;   /* 본문 진한 */
  --t-500:        #4E5968;   /* 본문 */
  --t-400:        #6B7684;   /* 보조 */
  --t-300:        #8B95A1;   /* 메타 */
  --t-200:        #B0B8C1;   /* 비활성 */
  --t-100:        #D1D6DB;   /* 보더 */
  --t-50:         #E5E8EB;   /* 가벼운 보더 */

  /* 브랜드 — 절제된 사용 */
  --brand:        #FFD600;   /* 제이씨드 옐로 (포인트만) */
  --brand-deep:   #F5C518;
  --brand-soft:   #FFF6CC;
  --brand-tint:   #FFFAE3;

  /* 시멘틱 (한국 증권 관습) */
  --up:           #F04452;   /* 상승 빨강 */
  --up-bg:        #FEF1F2;
  --down:         #3182F6;   /* 하락 파랑 (토스 시그니처) */
  --down-bg:      #EEF4FE;
  --neutral:      #4E5968;

  /* 그림자 — 매우 절제 */
  --sh-1: 0 1px 2px rgba(0,0,0,0.04);
  --sh-2: 0 4px 12px rgba(17,24,32,0.06);
  --sh-3: 0 12px 32px rgba(17,24,32,0.08);

  /* 폰트 */
  --font-sans: 'Pretendard','Pretendard Variable',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --font-num: 'Space Grotesk','Pretendard Variable',sans-serif;
  --font-mono: ui-monospace,'JetBrains Mono',monospace;

  /* 라디우스 */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-pill: 999px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--t-900);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  letter-spacing: -0.01em;
  font-size: 15px;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }

.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.up   { color: var(--up); }
.down { color: var(--down); }

/* ── 탑바 ─────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid var(--t-50);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
}
.topbar-inner {
  max-width: 1240px; margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; gap: 24px;
}
.logo {
  display: flex; align-items: center; gap: 9px;
  font-weight: 800; font-size: 17px;
  letter-spacing: -0.02em; color: var(--t-900);
}
.logo-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--brand); color: var(--t-900);
  display: grid; place-items: center;
  font-weight: 900; font-size: 15px;
  letter-spacing: -0.02em;
}

.nav-links { display: flex; gap: 2px; }
.nav-link {
  padding: 8px 14px; border-radius: 8px;
  font-size: 15px; font-weight: 600;
  color: var(--t-500); background: transparent; border: none;
  cursor: pointer; white-space: nowrap;
  transition: color 0.12s, background 0.12s;
}
.nav-link:hover { color: var(--t-900); background: var(--bg-soft); }
.nav-link.active { color: var(--t-900); }

.topbar-spacer { flex: 1; }

.search-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-mute); border-radius: var(--r-pill);
  padding: 9px 16px; font-size: 13px; color: var(--t-400);
  width: 220px; cursor: pointer; transition: background 0.12s;
}
.search-box:hover { background: var(--t-50); }

.btn {
  border: none; cursor: pointer; font-family: inherit; font-weight: 700;
  border-radius: var(--r-md); padding: 10px 18px; font-size: 14px;
  transition: transform 0.08s, background 0.12s, color 0.12s, box-shadow 0.12s;
  white-space: nowrap; letter-spacing: -0.01em;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--t-900); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-dark    { background: var(--bg-mute); color: var(--t-900); }
.btn-dark:hover { background: var(--t-50); }
.btn-ghost   { background: transparent; color: var(--t-700); border: 1px solid var(--t-50); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-brand   { background: var(--brand); color: var(--t-900); }
.btn-brand:hover { background: var(--brand-deep); }

/* ── 페이지 컨테이너 ──────────────────────────────────────── */
.page { max-width: 1240px; margin: 0 auto; padding: 32px 24px 64px; }

/* ── 히어로 ───────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
  margin-bottom: 56px;
}
.hero-main {
  position: relative;
  background: var(--t-900);
  border-radius: var(--r-xl);
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  transition: transform 0.15s;
}
.hero-main:hover { transform: translateY(-2px); }
.hero-thumb {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(255,255,255,0.06), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(49,130,246,0.10), transparent 55%),
    linear-gradient(135deg, #1F2937, #0B0F14);
}
.hero-thumb-content {
  position: absolute; inset: 0;
  padding: 40px 44px;
  display: flex; flex-direction: column; justify-content: flex-end;
  color: #fff;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.95); color: var(--t-900);
  padding: 5px 11px; border-radius: var(--r-sm);
  font-size: 12px; font-weight: 800;
  letter-spacing: -0.01em; width: fit-content;
  margin-bottom: 14px;
}
.hero-badge .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--up); animation: ping 1.6s infinite; }
@keyframes ping { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero-title {
  font-size: 44px; font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin: 0;
}
.hero-title em {
  font-style: normal;
  color: #fff;
  border-bottom: 3px solid var(--brand);
  padding-bottom: 2px;
}
.hero-sub {
  margin-top: 14px; font-size: 15px; color: rgba(255,255,255,0.78);
  max-width: 540px;
  line-height: 1.55;
  letter-spacing: -0.01em;
}
.hero-meta {
  margin-top: 20px; display: flex; gap: 18px; align-items: center;
  font-size: 13px; color: rgba(255,255,255,0.7);
}
.hero-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(255,255,255,0.95);
  display: grid; place-items: center;
  transition: transform 0.2s;
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.hero-main:hover .hero-play { transform: translate(-50%, -50%) scale(1.08); }
.hero-play svg { margin-left: 3px; fill: var(--t-900); }

/* 히어로 우측 */
.hero-side { display: flex; flex-direction: column; gap: 12px; }
.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--t-50);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  transition: border-color 0.12s, transform 0.12s;
  cursor: pointer;
}
.hero-card:hover { border-color: var(--t-100); transform: translateY(-1px); }
.hero-card.dark {
  background: var(--t-900); color: #fff; border-color: var(--t-900);
}
.hero-card-label {
  font-size: 12px; font-weight: 700;
  color: var(--t-400);
  display: flex; align-items: center; gap: 7px;
}
.hero-card.dark .hero-card-label { color: rgba(255,255,255,0.55); }
.hero-card-title {
  font-size: 18px; font-weight: 700;
  margin-top: 6px; line-height: 1.35;
  letter-spacing: -0.02em;
}
.hero-card-sub {
  font-size: 13.5px; color: var(--t-500); margin-top: 8px;
  line-height: 1.55;
}
.hero-card.dark .hero-card-sub { color: rgba(255,255,255,0.65); }

/* 카운터 스트립 — 토스 스타일: 흰 배경 + 명료한 숫자 */
.counter-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--bg-card);
  border: 1px solid var(--t-50);
  border-radius: var(--r-lg);
  padding: 24px 0;
  margin-bottom: 56px;
}
.counter { padding: 4px 28px; border-right: 1px solid var(--t-50); }
.counter:last-child { border-right: none; }
.counter-v {
  font-family: var(--font-num);
  font-size: 30px; font-weight: 700;
  color: var(--t-900);
  letter-spacing: -0.03em;
}
.counter-l {
  font-size: 12px; color: var(--t-400);
  margin-top: 6px; font-weight: 500;
}

/* ── 섹션 헤더 ────────────────────────────────────────────── */
.section-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin: 48px 0 20px;
}
.section-head h2 {
  font-size: 22px; font-weight: 700;
  margin: 0; letter-spacing: -0.025em;
  color: var(--t-900);
}
.section-head .more {
  font-size: 14px; color: var(--t-400);
  cursor: pointer; font-weight: 500;
  transition: color 0.12s;
}
.section-head .more:hover { color: var(--t-900); }

/* ── 유튜브 채널 임베드 ──────────────────────────────────── */
.youtube-embed-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 20px;
  align-items: stretch;
  background: var(--bg-card);
  border: 1px solid var(--t-50);
  border-radius: var(--r-xl);
  padding: 20px;
  margin-bottom: 24px;
}
.youtube-embed-copy {
  background: var(--bg-soft);
  border-radius: var(--r-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 260px;
}
.youtube-kicker {
  font-size: 12px;
  font-weight: 800;
  color: var(--up);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.youtube-embed-copy h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--t-900);
}
.youtube-embed-copy p {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--t-500);
}
.youtube-frame-wrap {
  position: relative;
  aspect-ratio: 16/9;
  min-height: 260px;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--t-900);
}
.youtube-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── 영상 그리드 ──────────────────────────────────────────── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 16px;
}
.video-card { cursor: pointer; transition: transform 0.15s; }
.video-card:hover { transform: translateY(-2px); }
.video-thumb {
  aspect-ratio: 16/9;
  background: var(--t-900);
  border-radius: var(--r-md);
  position: relative;
  overflow: hidden;
}
.video-thumb-bg {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-weight: 800;
  color: #fff;
  padding: 16px;
  text-align: center;
  font-size: 14px; letter-spacing: -0.02em;
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}
.video-duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.78); color: #fff;
  font-family: var(--font-num); font-size: 11px; font-weight: 600;
  padding: 3px 7px; border-radius: 6px;
}
.video-progress {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: rgba(255,255,255,0.25);
}
.video-progress > div { height: 100%; background: var(--up); }
.video-live-badge {
  position: absolute; top: 8px; left: 8px;
  background: var(--up); color: #fff;
  font-size: 11px; font-weight: 800; letter-spacing: 0.04em;
  padding: 3px 8px; border-radius: 6px;
  display: flex; align-items: center; gap: 5px;
}
.video-meta-tag {
  position: absolute; top: 8px; left: 8px;
  background: var(--t-900); color: #fff;
  font-size: 11px; font-weight: 800;
  padding: 3px 8px; border-radius: 6px;
}

.video-info { padding: 12px 2px 0; }
.video-title {
  font-weight: 600; font-size: 15px;
  line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
  letter-spacing: -0.02em;
  color: var(--t-900);
}
.video-meta {
  font-size: 13px; color: var(--t-400);
  margin-top: 6px;
  font-weight: 500;
}

/* ── CTA 배너 — 토스 스타일: 다크 배경 + 노랑 포인트 ───── */
.banner {
  background: var(--t-900);
  color: #fff;
  border-radius: var(--r-xl);
  padding: 44px 48px;
  margin: 56px 0;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.banner::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 70%);
}
.banner-content { position: relative; z-index: 2; }
.banner-label {
  display: inline-block;
  font-size: 12px; font-weight: 800; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}
.banner h3 {
  font-size: 36px; font-weight: 800;
  margin: 0; line-height: 1.18;
  letter-spacing: -0.03em;
}
.banner p { margin-top: 14px; font-size: 15px; color: rgba(255,255,255,0.7); max-width: 480px; line-height: 1.6; }
.banner-ctas { display: flex; gap: 8px; margin-top: 24px; }
.banner .btn-primary { background: #fff; color: var(--t-900); }
.banner .btn-primary:hover { background: var(--bg-mute); }
.banner .btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.banner .btn-ghost:hover { background: rgba(255,255,255,0.08); }
.banner-visual {
  position: relative; z-index: 2;
  aspect-ratio: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  display: grid; place-items: center;
  color: rgba(255,255,255,0.92);
  font-size: 88px; font-weight: 800;
  letter-spacing: -0.04em;
}

/* ── 좌우 2분할 ───────────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; }

/* ── 관심종목 위젯 — 토스증권 결 ────────────────────────── */
.watch-widget {
  background: var(--bg-card);
  border: 1px solid var(--t-50);
  border-radius: var(--r-lg);
  padding: 6px 0 10px;
  overflow: hidden;
}
.watch-widget .watch-sub {
  font-size: 13px; color: var(--t-400);
  margin: 14px 22px 6px; font-weight: 500;
}
.watch-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 22px;
  transition: background 0.12s;
  cursor: pointer;
}
.watch-row:hover { background: var(--bg-soft); }
.watch-logo {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 13px;
  letter-spacing: -0.03em;
  font-family: var(--font-sans);
  flex-shrink: 0;
}
.watch-body { flex: 1; min-width: 0; }
.watch-name {
  font-weight: 700; font-size: 16px;
  letter-spacing: -0.025em; color: var(--t-900);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.watch-price { text-align: right; font-family: var(--font-num); white-space: nowrap; }
.watch-price .p {
  font-weight: 700; font-size: 16px;
  color: var(--t-900); letter-spacing: -0.02em;
}
.watch-price .c {
  font-size: 13.5px; font-weight: 600;
  margin-top: 4px; letter-spacing: -0.01em;
}

/* ── 칼럼 사이드 ──────────────────────────────────────────── */
.col-side {
  background: var(--bg-card);
  border: 1px solid var(--t-50);
  border-radius: var(--r-lg);
  padding: 20px 22px;
}
.col-side h3 {
  font-size: 16px; font-weight: 700;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}
.col-item {
  padding: 14px 0; border-bottom: 1px solid var(--t-50);
  cursor: pointer;
  transition: opacity 0.12s;
}
.col-item:last-child { border: none; }
.col-item:hover { opacity: 0.7; }
.col-item-tag {
  display: inline-block;
  font-size: 11px; font-weight: 700;
  background: var(--bg-mute); color: var(--t-500);
  padding: 3px 8px; border-radius: 6px;
}
.col-item-title {
  font-weight: 600; font-size: 14.5px;
  margin-top: 8px; line-height: 1.45;
  letter-spacing: -0.02em; color: var(--t-900);
}
.col-item-meta {
  font-size: 12px; color: var(--t-400); margin-top: 4px;
}

/* ── 커뮤니티 수익인증 ────────────────────────────────────── */
.proof-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.proof-card {
  background: var(--bg-card); border: 1px solid var(--t-50);
  border-radius: var(--r-lg); padding: 22px;
  transition: border-color 0.12s, transform 0.12s;
  cursor: pointer;
}
.proof-card:hover { border-color: var(--t-100); transform: translateY(-2px); }
.proof-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.proof-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg-mute); color: var(--t-700);
  display: grid; place-items: center;
  font-weight: 800; font-size: 14px;
}
.proof-user { font-weight: 700; font-size: 14px; letter-spacing: -0.02em; }
.proof-period { font-size: 12px; color: var(--t-400); margin-top: 2px; }
.proof-rate {
  font-family: var(--font-num); font-weight: 700;
  font-size: 36px; color: var(--up);
  letter-spacing: -0.03em;
}
.proof-note {
  font-size: 14px; color: var(--t-700);
  margin-top: 10px; line-height: 1.55;
}
.proof-foot {
  display: flex; gap: 14px; margin-top: 16px;
  font-size: 12.5px; color: var(--t-400);
  font-weight: 500;
}

/* ── 포트폴리오 페이지 ────────────────────────────────────── */
.pf-hero {
  background: var(--t-900);
  color: #fff;
  border-radius: var(--r-xl);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
}
.pf-total-label { font-size: 12px; color: rgba(255,255,255,0.55); font-weight: 700; letter-spacing: 0.06em; }
.pf-total {
  font-weight: 800;
  font-size: 38px; letter-spacing: -0.03em;
  margin-top: 8px; line-height: 1.2;
}
.pf-total-chg { margin-top: 14px; font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.65; }
.pf-ctas { margin-top: 24px; display: flex; gap: 8px; }
.pf-ctas .btn-primary { background: #fff; color: var(--t-900); }
.pf-ctas .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.2); background: transparent; }

.pf-donut-wrap { display: grid; place-items: center; }

.pf-holdings-table {
  background: var(--bg-card);
  border: 1px solid var(--t-50);
  border-radius: var(--r-lg);
  padding: 4px;
  margin-top: 24px;
}
.pf-hd-row {
  display: grid;
  grid-template-columns: 44px 1.5fr 0.8fr 0.8fr 1fr;
  gap: 14px; align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--t-50);
}
.pf-hd-row:last-child { border: none; }
.pf-hd-head {
  font-size: 11.5px; color: var(--t-400);
  font-weight: 600;
}

/* ── 클래스 페이지 ───────────────────────────────────────── */
.lesson-player {
  background: var(--t-900);
  border-radius: var(--r-lg);
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.lesson-player-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 25% 30%, rgba(255,255,255,0.08), transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(49,130,246,0.14), transparent 50%),
    #0B0F14;
}
.player-title {
  position: absolute; top: 24px; left: 28px; right: 28px;
  color: #fff;
  font-weight: 800;
  font-size: 28px; line-height: 1.2;
  letter-spacing: -0.025em;
  text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}
.player-controls {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 18px 22px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
  display: flex; align-items: center; gap: 14px;
  color: #fff;
}
.player-progress {
  flex: 1; height: 4px;
  background: rgba(255,255,255,0.25); border-radius: 2px;
}
.player-progress > div { height: 100%; background: var(--up); border-radius: 2px; }
.player-time { font-family: var(--font-num); font-size: 12px; }

.lesson-list {
  background: var(--bg-card); border: 1px solid var(--t-50);
  border-radius: var(--r-lg); padding: 6px;
}
.lesson-list-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background 0.1s;
}
.lesson-list-item:hover { background: var(--bg-soft); }
.lesson-list-item.playing { background: var(--bg-soft); }
.ll-num {
  font-family: var(--font-num); font-weight: 700;
  font-size: 14px; color: var(--t-300);
  width: 24px; text-align: center;
}
.lesson-list-item.playing .ll-num { color: var(--t-900); }
.ll-body { flex: 1; min-width: 0; }
.ll-title { font-size: 14px; font-weight: 600; letter-spacing: -0.02em; }
.ll-meta { font-size: 11.5px; color: var(--t-400); margin-top: 3px; }
.ll-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ll-dot.done { background: var(--down); }
.ll-dot.now  { background: var(--up); animation: ping 1.4s infinite; }
.ll-dot.yet  { background: var(--t-100); }

/* ── 칼럼 카드 ────────────────────────────────────────────── */
.column-card {
  background: var(--bg-card); border: 1px solid var(--t-50);
  border-radius: var(--r-lg); padding: 24px 26px;
  cursor: pointer; transition: border-color 0.12s, transform 0.12s;
}
.column-card:hover { transform: translateY(-2px); border-color: var(--t-100); }
.column-tag {
  display: inline-block;
  font-size: 11.5px; font-weight: 700;
  background: var(--bg-mute); color: var(--t-700);
  padding: 4px 9px; border-radius: 6px;
}
.column-title {
  font-size: 19px; font-weight: 700;
  margin-top: 12px; line-height: 1.35;
  letter-spacing: -0.025em;
}
.column-excerpt {
  font-size: 14px; color: var(--t-500);
  margin-top: 8px; line-height: 1.6;
}
.column-meta {
  display: flex; gap: 14px; font-size: 12.5px; color: var(--t-400);
  margin-top: 16px; font-weight: 500;
}

/* ── 푸터 ─────────────────────────────────────────────────── */
.footer {
  background: var(--bg-soft);
  color: var(--t-700);
  margin-top: 96px;
  padding: 56px 0 36px;
  border-top: 1px solid var(--t-50);
}
.footer-inner {
  max-width: 1240px; margin: 0 auto;
  padding: 0 24px;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--t-900); letter-spacing: -0.02em; }
.footer-desc { font-size: 13.5px; color: var(--t-500); margin-top: 14px; line-height: 1.65; max-width: 360px; }
.footer-col h4 { font-size: 13px; font-weight: 700; margin: 0 0 14px; color: var(--t-900); letter-spacing: -0.01em; }
.footer-col a {
  display: block; font-size: 13.5px; color: var(--t-500);
  padding: 6px 0; cursor: pointer;
  transition: color 0.12s;
}
.footer-col a:hover { color: var(--t-900); }

.footer-bottom {
  max-width: 1240px; margin: 36px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid var(--t-50);
  font-size: 12px; color: var(--t-400);
  display: flex; justify-content: space-between;
  line-height: 1.65; gap: 24px;
}

/* ── 회의방 (플로팅) — 절제된 톤 ─────────────────────────── */
.crit-toggle {
  position: fixed; bottom: 24px; right: 24px; z-index: 100;
  background: var(--t-900); color: #fff;
  border: none; cursor: pointer;
  padding: 12px 20px; border-radius: var(--r-pill);
  font-weight: 700; font-size: 13.5px;
  box-shadow: var(--sh-3);
  display: flex; align-items: center; gap: 10px;
  transition: transform 0.15s;
}
.crit-toggle:hover { transform: translateY(-2px); }
.crit-toggle .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--up); animation: ping 1.4s infinite;
}

.crit-panel {
  position: fixed; bottom: 0; right: 0; top: 0;
  width: 420px;
  background: var(--bg);
  border-left: 1px solid var(--t-50);
  box-shadow: -16px 0 48px -16px rgba(0,0,0,0.12);
  z-index: 200;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s ease-out;
}
.crit-panel.open { transform: translateX(0); }
.crit-head {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--t-50);
  display: flex; align-items: center; gap: 12px;
}
.crit-head-title { flex: 1; }
.crit-head-title h3 {
  font-size: 17px; font-weight: 800; margin: 0; letter-spacing: -0.025em;
}
.crit-head-title .sub {
  font-size: 11px; color: var(--t-400);
  margin-top: 2px; font-weight: 500;
}
.crit-close {
  border: none; background: var(--bg-soft); width: 32px; height: 32px;
  border-radius: 8px; cursor: pointer;
  font-size: 18px; color: var(--t-500);
}
.crit-close:hover { background: var(--bg-mute); }

.crit-agents {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 12px 22px;
  border-bottom: 1px solid var(--t-50);
  background: var(--bg-soft);
}
.crit-agent {
  display: flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--t-50);
  border-radius: var(--r-pill); padding: 4px 10px 4px 4px;
  font-size: 11.5px; font-weight: 600;
  white-space: nowrap;
}
.crit-agent .av {
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 10px;
  flex-shrink: 0;
}

.crit-messages {
  flex: 1; overflow-y: auto;
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 14px;
}
.crit-msg {
  display: flex; gap: 10px;
  animation: slideUp 0.3s ease-out;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.crit-av {
  flex-shrink: 0;
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 12px;
}
.crit-body { flex: 1; min-width: 0; }
.crit-name {
  font-size: 11.5px; font-weight: 700; color: var(--t-500);
  margin-bottom: 4px;
  display: flex; align-items: baseline; gap: 6px;
}
.crit-role { font-size: 10.5px; color: var(--t-300); font-weight: 400; }
.crit-bubble {
  background: #fff; border: 1px solid var(--t-50);
  border-radius: 4px 14px 14px 14px;
  padding: 12px 14px;
  font-size: 13.5px; line-height: 1.55;
  color: var(--t-700);
}
.crit-bubble.critical {
  background: var(--t-900); color: #fff; border-color: var(--t-900);
}
.crit-bubble.win {
  background: var(--bg-soft); border-color: var(--t-50); color: var(--t-900);
}
.crit-tag {
  display: inline-block;
  font-size: 10px; font-weight: 800; letter-spacing: 0.04em;
  background: var(--t-900); color: #fff;
  padding: 2px 7px; border-radius: 4px;
  margin-bottom: 6px;
}
.crit-bubble.win .crit-tag { background: var(--t-900); color: #fff; }
.crit-bubble.critical .crit-tag { background: #fff; color: var(--t-900); }

.crit-diff {
  display: grid; gap: 8px;
  margin-top: 10px;
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 10px 12px;
}
.diff-row { display: flex; gap: 8px; font-size: 12px; align-items: flex-start; line-height: 1.5; }
.diff-tag { font-family: var(--font-mono); font-size: 9.5px; font-weight: 700; padding: 2px 5px; border-radius: 3px; flex-shrink: 0; margin-top: 2px; }
.diff-tag.bad  { background: var(--up);   color: #fff; }
.diff-tag.good { background: var(--down); color: #fff; }
.diff-text.bad  { color: var(--t-400); text-decoration: line-through; }
.diff-text.good { font-weight: 600; color: var(--t-700); }

.crit-input {
  border-top: 1px solid var(--t-50);
  padding: 14px 18px 18px;
  background: var(--bg);
  display: flex; gap: 8px;
}
.crit-input input {
  flex: 1; border: 1px solid var(--t-100);
  background: var(--bg-soft); border-radius: var(--r-pill);
  padding: 10px 16px; font-size: 13.5px;
  font-family: inherit; color: var(--t-900);
  outline: none;
}
.crit-input input:focus { border-color: var(--t-900); background: #fff; }

/* ── 모달 ─────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(17,24,32,0.5);
  backdrop-filter: blur(4px);
  display: grid; place-items: center;
  animation: fadeIn 0.2s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--bg);
  border-radius: var(--r-xl);
  width: 520px; max-width: 90vw;
  overflow: hidden;
  animation: popIn 0.22s ease-out;
  box-shadow: var(--sh-3);
}
@keyframes popIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
.modal-head { padding: 22px 26px; border-bottom: 1px solid var(--t-50); display: flex; justify-content: space-between; align-items: center; }
.modal-head h3 { font-size: 18px; font-weight: 800; margin: 0; letter-spacing: -0.025em; }
.modal-body { padding: 22px 26px; }
.modal-foot { padding: 14px 26px 20px; display: flex; gap: 10px; justify-content: flex-end; border-top: 1px solid var(--t-50); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--t-700); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; border: 1px solid var(--t-100);
  background: var(--bg-soft); border-radius: var(--r-md);
  padding: 11px 14px; font-size: 14px;
  font-family: inherit; color: var(--t-900);
  outline: none; transition: border-color 0.12s, background 0.12s;
}
.field textarea { min-height: 88px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--t-900); background: #fff; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── 토스트 ───────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  background: var(--t-900); color: #fff;
  padding: 12px 22px; border-radius: var(--r-pill);
  font-size: 13.5px; font-weight: 600;
  box-shadow: var(--sh-3);
  z-index: 400;
  animation: toastIn 0.22s;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 10px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ── 반응형 ───────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; }
  .hero-side { flex-direction: row; }
  .hero-side > * { flex: 1; }
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .crit-panel { width: 100vw; }
}
@media (max-width: 720px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid { grid-template-columns: 1fr; }
  .counter-strip { grid-template-columns: repeat(2, 1fr); padding: 8px 0; }
  .counter { border-right: none; border-bottom: 1px solid var(--t-50); padding: 16px; }
  .counter:nth-last-child(-n+2) { border-bottom: none; }
  .counter:nth-child(2n) { border-right: none; }
  .counter:nth-child(odd) { border-right: 1px solid var(--t-50); }
  .banner { grid-template-columns: 1fr; padding: 28px; }
  .banner-visual { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .topbar-inner { padding: 12px 16px; gap: 12px; }
  .search-box { display: none; }
  .page { padding: 20px 16px 80px; }
  .hero-title { font-size: 30px; }
  .pf-hero { grid-template-columns: 1fr; }
  .pf-hd-row { grid-template-columns: 32px 1.2fr 1fr; gap: 10px; font-size: 12.5px; }
  .pf-hd-row > *:nth-child(4), .pf-hd-row > *:nth-child(5) { display: none; }
}