/* ============================================================
   코한사 랜딩 페이지 — style.css
   🎨 메인 포인트 컬러: 파란색 계열 (#1A6FFF, #3D8BFF, #0050E6)
   배경: 화이트 톤 (#FFFFFF / #F7F8FC)
============================================================ */

/* ── 0. CSS VARIABLES ──────────────────────────────────────── */
:root {
  /* 브랜드 컬러 — 파란색 */
  --c-primary:      #03C75A;      /* 네이버 그린 */
  --c-primary-lt:   #05E066;      /* 밝은 그린 */
  --c-primary-dk:   #02A34A;      /* 진한 그린 */
  --c-primary-dim:  rgba(3,199,90,0.10);
  --c-primary-glow: rgba(3,199,90,0.28);

  /* 배경 — 화이트 톤 */
  --c-bg:        #FFFFFF;
  --c-bg-2:      #F7F8FC;
  --c-bg-card:   #FFFFFF;
  --c-bg-card2:  #F0FFF6;

  /* 텍스트 */
  --c-text:      #1A1A1A;
  --c-muted:     #828290;
  --c-border:    rgba(3,199,90,0.14);

  /* 타이포 */
  --f-body:  'Inter', sans-serif;
  --f-head:  'Space Grotesk', 'Inter', sans-serif;

  /* 그라디언트 */
  --grad-primary: linear-gradient(135deg, #02A34A 0%, #03C75A 50%, #05E066 100%);
  --grad-primary-soft: linear-gradient(135deg, rgba(3,199,90,0.10) 0%, rgba(5,224,102,0.04) 100%);

  /* 레이아웃 */
  --max-w: 640px;
  --r-card: 16px;
  --r-btn:  12px;
}

/* ── 1. RESET & BASE ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }
body {
  font-family: var(--f-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; }
strong { font-weight: 700; }

/* ── 2. WRAPPER ─────────────────────────────────────────────── */
.kd-wrap {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── 3. HEADER ──────────────────────────────────────────────── */
.kd-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(3,199,90,0.10);
  box-shadow: 0 1px 14px rgba(3,199,90,0.06);
}
.kd-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kd-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.3px;
  color: #1A1A1A;
}
.kd-live-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,50,50,0.10);
  border: 1px solid rgba(255,50,50,0.28);
  border-radius: 20px;
  padding: 4px 10px;
}
.kd-live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #ff3c3c;
  animation: livePulse 1.4s ease-in-out infinite;
}
.kd-live-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: #ff3c3c;
}
@keyframes livePulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.85); }
}

/* ── 4. HERO ────────────────────────────────────────────────── */
.kd-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 40px;
  flex: 1;
  background: #FFFFFF;
}
/* 그리드 배경 */
.kd-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(3,199,90,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(3,199,90,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
/* Orb */
.kd-hero-orb {
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 520px; height: 420px;
  background: radial-gradient(ellipse at center, rgba(3,199,90,0.11) 0%, transparent 68%);
  pointer-events: none;
  filter: blur(4px);
}
.kd-hero-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* ── 5. VIEWER BADGE ─────────────────────────────────────────── */
.kd-viewer-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(3,199,90,0.07);
  border: 1px solid rgba(3,199,90,0.20);
  border-radius: 50px;
  padding: 6px 14px;
  font-size: 13px;
  color: #02A34A;
  font-weight: 600;
}
.kd-badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #03C75A;
  animation: livePulse 1.4s ease-in-out infinite;
  flex-shrink: 0;
}

/* ── 6. HEADLINE ─────────────────────────────────────────────── */
.kd-headline {
  font-family: var(--f-head);
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 800;
  text-align: center;
  line-height: 1.28;
  letter-spacing: -0.5px;
  color: #111111;
}
.kd-neon-text {
  background: linear-gradient(135deg, #02A34A 0%, #03C75A 45%, #05E066 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* ── 7. VIDEO ───────────────────────────────────────────────── */
.kd-video-wrap {
  width: 100%;
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow:
    0 0 0 1.5px rgba(3,199,90,0.18),
    0 8px 32px rgba(0,0,0,0.10),
    0 2px 8px rgba(0,0,0,0.05);
}
.kd-video-ratio {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: #000;
}
.kd-video-ratio iframe,
#kdYTPlaceholder,
#kdYTPlaceholder iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: none;
}

/* 오버레이 */
.kd-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.78);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s;
}
.kd-overlay:hover { background: rgba(0,0,0,0.65); }
.kd-overlay.kd-hidden { display: none; }

.kd-sound-btn {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 0 28px rgba(3,199,90,0.55);
  animation: soundPulse 2s ease-in-out infinite;
}
@keyframes soundPulse {
  0%,100% { box-shadow: 0 0 28px rgba(3,199,90,0.55); transform: scale(1); }
  50%      { box-shadow: 0 0 48px rgba(3,199,90,0.85); transform: scale(1.06); }
}
.kd-overlay-text {
  font-size: 16px;
  font-weight: 700;
  color: #7DFFC2;
  text-shadow: 0 0 12px rgba(3,199,90,0.6);
}
.kd-overlay-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}

/* VIP 배지 */
.kd-vip-badge {
  position: absolute;
  top: 10px; left: 10px;
  z-index: 9;
  background: rgba(0,0,0,0.70);
  border: 1px solid rgba(3,199,90,0.38);
  border-radius: 6px;
  padding: 4px 9px;
  font-size: 10px;
  color: #03C75A;
  font-weight: 600;
  letter-spacing: 0.3px;
  backdrop-filter: blur(4px);
}

/* 진행바 */
.kd-progress-bar {
  width: 100%;
  height: 5px;
  background: rgba(0,0,0,0.07);
  position: relative;
  overflow: hidden;
}
.kd-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--grad-primary);
  transition: width 1s linear;
  box-shadow: 0 0 10px rgba(3,199,90,0.5);
}
.kd-progress-label {
  padding: 10px 14px;
  font-size: 12px;
  color: #828290;
  background: #EEF0F8;
  text-align: center;
}
.kd-progress-label.kd-done {
  color: #02A34A;
  font-weight: 600;
  background: #EEFFF6;
}

/* ── 8. SUB COPY ─────────────────────────────────────────────── */
.kd-sub-copy {
  font-size: 14px;
  color: #606070;
  text-align: center;
}

/* ── 9. REVEAL ANIMATION ─────────────────────────────────────── */
.kd-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.kd-reveal.kd-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 10. CONVERSION SECTION ──────────────────────────────────── */
.kd-conv {
  padding: 32px 0 24px;
  background: #F7F8FC;
  border-top: 1px solid rgba(3,199,90,0.08);
  border-bottom: 1px solid rgba(3,199,90,0.08);
}
.kd-conv-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* 잠금 안내 */
.kd-lock-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px;
  border-radius: var(--r-card);
  background: rgba(3,199,90,0.05);
  border: 1px dashed rgba(3,199,90,0.22);
}
.kd-lock-icon {
  font-size: 24px;
  color: #03C75A;
  opacity: 0.75;
}
.kd-lock-msg {
  font-size: 13px;
  color: #606070;
  text-align: center;
}
.kd-lock-prog {
  font-size: 14px;
  font-weight: 700;
  color: #02A34A;
}
.kd-lock-wrap.kd-done {
  background: rgba(3,199,90,0.07);
  border-color: rgba(3,199,90,0.35);
}

/* ── 11. MAIN BUTTON ─────────────────────────────────────────── */
.kd-btn-main {
  display: block;
  width: 100%;
  border-radius: var(--r-btn);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.2px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-align: center;
  line-height: 1.3;
  padding: 18px 20px;
  color: #fff;
}

/* 잠금 상태 */
.kd-btn-main.kd-locked {
  background: linear-gradient(135deg, #E8E8EC, #DCDCE4);
  border: 1.5px solid rgba(0,0,0,0.09);
  cursor: not-allowed;
  color: #AAAAAA;
}
.kd-btn-main .kd-on { display: none; }
.kd-btn-main.kd-locked .kd-on { display: none; }
.kd-btn-main.kd-locked .kd-off { display: flex; justify-content: center; }

/* 활성 상태 */
.kd-btn-main.kd-active {
  background: var(--grad-primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 28px rgba(3,199,90,0.38), 0 0 0 1px rgba(3,199,90,0.22);
  animation: btnPulse 2.2s ease-in-out infinite;
}
.kd-btn-main.kd-active .kd-off { display: none; }
.kd-btn-main.kd-active .kd-on  { display: block; }
.kd-btn-main.kd-active:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(3,199,90,0.50), 0 0 0 1px rgba(3,199,90,0.32);
}
@keyframes btnPulse {
  0%,100% { box-shadow: 0 4px 28px rgba(3,199,90,0.38), 0 0 0 1px rgba(3,199,90,0.22); }
  50%      { box-shadow: 0 4px 44px rgba(3,199,90,0.60), 0 0 0 1px rgba(3,199,90,0.40); }
}

/* 잠금 버튼 내부 */
.kd-btn-locked-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.kd-btn-free-label {
  font-size: 15px;
  font-weight: 700;
  color: rgba(0,0,0,0.28);
}
.kd-btn-lock-status {
  font-size: 12px;
  color: #AAAAAA;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── 12. WARNING BOX ─────────────────────────────────────────── */
.kd-warning-box {
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(3,199,90,0.05);
  border: 1px solid rgba(3,199,90,0.16);
}
.kd-warning-title {
  font-size: 13px;
  font-weight: 700;
  color: #02A34A;
  margin-bottom: 6px;
}
.kd-warning-body {
  font-size: 13px;
  color: #606070;
  line-height: 1.7;
}

/* ── 13. PROOF SECTION ───────────────────────────────────────── */
.kd-proof {
  padding: 40px 0 36px;
  background: #FFFFFF;
}

/* Divider */
.kd-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: var(--max-w);
  margin: 0 auto 28px;
  padding: 0 20px;
}
.kd-divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(3,199,90,0.22), transparent);
}
.kd-divider-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #BBBBCC;
}

.kd-proof-title {
  font-family: var(--f-head);
  font-size: clamp(20px, 5vw, 26px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 24px;
  line-height: 1.3;
  color: #111111;
}
.kd-neon { color: #03C75A; }

/* 리뷰 그리드 */
.kd-review-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.kd-review-card {
  background: #FFFFFF;
  border: 1px solid rgba(3,199,90,0.10);
  border-radius: var(--r-card);
  padding: 18px;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 12px rgba(3,199,90,0.05);
}
.kd-review-card:hover {
  border-color: rgba(3,199,90,0.28);
  box-shadow: 0 4px 24px rgba(3,199,90,0.10);
}
.kd-review-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.kd-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.kd-review-meta { flex: 1; }
.kd-review-name {
  font-size: 13px;
  font-weight: 700;
  color: #1A1A1A;
  display: flex;
  align-items: center;
  gap: 5px;
}
.kd-review-verified {
  font-size: 11px;
  color: #03C75A;
  font-weight: 500;
}
.kd-stars {
  font-size: 12px;
  color: #03C75A;
  margin-top: 2px;
}
.kd-profit {
  font-size: 16px;
  font-weight: 800;
  color: #02A34A;
  background: rgba(3,199,90,0.08);
  border: 1px solid rgba(3,199,90,0.20);
  border-radius: 8px;
  padding: 3px 9px;
  flex-shrink: 0;
}
.kd-review-body {
  font-size: 13.5px;
  color: #444454;
  line-height: 1.65;
  margin-bottom: 8px;
}
.kd-review-tag {
  font-size: 11px;
  color: #BBBBCC;
  letter-spacing: 0.2px;
}

/* 후기 하단 CTA */
.kd-proof-cta {
  max-width: var(--max-w);
  margin: 24px auto 0;
  padding: 0 20px;
}

/* ── 14. SUB BUTTON ──────────────────────────────────────────── */
.kd-btn-sub {
  display: block;
  width: 100%;
  border-radius: var(--r-btn);
  font-size: 15px;
  font-weight: 700;
  padding: 16px 20px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}
.kd-btn-sub.kd-locked {
  background: linear-gradient(135deg, #E8E8EC, #DCDCE4);
  border: 1.5px solid rgba(0,0,0,0.09);
  color: #AAAAAA;
  cursor: not-allowed;
}
.kd-btn-sub .kd-sub-on { display: none; }
.kd-btn-sub.kd-locked .kd-sub-off { display: block; }
.kd-btn-sub.kd-active {
  background: var(--grad-primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 28px rgba(3,199,90,0.36);
  animation: btnPulse 2.2s ease-in-out infinite;
}
.kd-btn-sub.kd-active .kd-sub-off { display: none; }
.kd-btn-sub.kd-active .kd-sub-on  { display: block; }
.kd-btn-sub.kd-active:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(3,199,90,0.50);
}

/* ── 15. URGENCY SECTION ─────────────────────────────────────── */
.kd-urgency {
  padding: 40px 0 44px;
  background: #F0FFF6;
  border-top: 1px solid rgba(3,199,90,0.12);
  border-bottom: 1px solid rgba(3,199,90,0.12);
}
.kd-urgency-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.kd-urgency-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,80,80,0.09);
  border: 1px solid rgba(255,80,80,0.26);
  border-radius: 50px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
  color: #CC3333;
  letter-spacing: 0.3px;
}
.kd-urgency-title {
  font-family: var(--f-head);
  font-size: clamp(20px, 5.5vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  color: #111111;
}
.kd-urgency-desc {
  font-size: 13px;
  color: #828290;
}

/* 카운트다운 */
.kd-countdown {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  border: 1.5px solid rgba(3,199,90,0.24);
  border-radius: 14px;
  padding: 14px 28px;
  box-shadow: 0 4px 20px rgba(3,199,90,0.10), 0 1px 4px rgba(0,0,0,0.04);
}
.kd-cd-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.kd-cd-num {
  font-family: var(--f-head);
  font-size: 40px;
  font-weight: 800;
  color: #03C75A;
  line-height: 1;
  min-width: 56px;
  text-align: center;
}
.kd-cd-label {
  font-size: 11px;
  color: #BBBBCC;
  font-weight: 500;
  letter-spacing: 0.5px;
}
.kd-cd-colon {
  font-size: 34px;
  font-weight: 800;
  color: #03C75A;
  opacity: 0.55;
  line-height: 1;
  padding-bottom: 14px;
}

.kd-urgency-caution {
  font-size: 11.5px;
  color: #AAAAAA;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ── 16. FOOTER ──────────────────────────────────────────────── */
.kd-footer {
  padding: 32px 0 120px;
  background: #EEF0F8;
  border-top: 1px solid rgba(3,199,90,0.08);
}
.kd-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}
.kd-footer-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(30,30,50,0.38);
}
.kd-yt-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,50,50,0.07);
  border: 1px solid rgba(255,50,50,0.20);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(210,50,50,0.85);
  transition: all 0.2s;
}
.kd-yt-btn:hover {
  background: rgba(255,50,50,0.13);
  border-color: rgba(255,50,50,0.32);
}
.kd-footer-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #9898A8;
}
.kd-footer-links a {
  text-decoration: underline;
  text-underline-offset: 2px;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.kd-footer-links a:hover { opacity: 1; }
.kd-footer-biz {
  font-size: 11px;
  color: rgba(70,70,90,0.50);
  line-height: 1.8;
}
.kd-footer-disc {
  font-size: 11px;
  color: rgba(3,199,90,0.65);
  line-height: 1.7;
}

/* 개인정보 / 약관 박스 */
.kd-privacy-box,
.kd-terms-box {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid rgba(3,199,90,0.14);
  border-radius: 12px;
  padding: 20px;
  text-align: left;
  margin-top: 8px;
  box-shadow: 0 2px 10px rgba(3,199,90,0.06);
}
.kd-privacy-box h3,
.kd-terms-box h3 {
  font-size: 14px;
  font-weight: 700;
  color: #02A34A;
  margin-bottom: 10px;
}
.kd-privacy-box p,
.kd-terms-box p {
  font-size: 12px;
  color: #606070;
  line-height: 1.7;
  margin-bottom: 6px;
}

/* ── 17. FLOATING BAR ────────────────────────────────────────── */
.kd-fbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(3,199,90,0.10);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(3,199,90,0.07);
}
.kd-fbar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.kd-fbar-left { flex: 1; overflow: hidden; }
.kd-fbar-copy {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: #828290;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kd-fbar-copy.kd-active-copy {
  color: #02A34A;
}

.kd-btn-fbar {
  flex-shrink: 0;
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.2px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
}
/* 잠금 상태 */
.kd-btn-fbar[aria-disabled="true"] {
  background: #E0E0EA;
  border: 1.5px solid rgba(0,0,0,0.09);
  color: #AAAAAA;
  cursor: not-allowed;
}
.kd-btn-fbar[aria-disabled="true"] .kd-fbar-bolt-icon { display: none; }
/* 활성 상태 */
.kd-btn-fbar[aria-disabled="false"] {
  background: var(--grad-primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(3,199,90,0.36);
  animation: btnPulse 2.2s ease-in-out infinite;
}
.kd-btn-fbar[aria-disabled="false"] .kd-fbar-lock-icon { display: none; }
.kd-btn-fbar[aria-disabled="false"] .kd-fbar-bolt-icon { display: block; }
.kd-btn-fbar[aria-disabled="false"]:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(3,199,90,0.50);
}

/* ── 18. TOAST ───────────────────────────────────────────────── */
.kd-unlock-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 300;
  background: #FFFFFF;
  border: 1.5px solid #03C75A;
  border-radius: 50px;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: #02A34A;
  box-shadow: 0 8px 32px rgba(3,199,90,0.18), 0 2px 8px rgba(0,0,0,0.07);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 0.3s, transform 0.3s;
}
.kd-unlock-toast.kd-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── 19. COLON BLINK ─────────────────────────────────────────── */
@keyframes colonBlink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.2; }
}
.kd-cd-colon { animation: colonBlink 1s step-end infinite; }

/* ── 20. SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #F7F8FC; }
::-webkit-scrollbar-thumb {
  background: rgba(3,199,90,0.20);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(3,199,90,0.40); }

/* ── 21. SELECTION ───────────────────────────────────────────── */
::selection {
  background: rgba(3,199,90,0.15);
  color: #02A34A;
}

/* ── 22. RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 400px) {
  .kd-headline { font-size: 22px; }
  .kd-btn-main { font-size: 14px; padding: 16px 16px; }
  .kd-cd-num { font-size: 34px; min-width: 48px; }
  .kd-cd-colon { font-size: 28px; }
}
@media (min-width: 640px) {
  .kd-hero { padding: 52px 0 56px; }
  .kd-hero-inner { gap: 24px; }
  .kd-proof { padding: 52px 0 48px; }
}
/* 데스크탑: 플로팅 바 숨김 */
@media (min-width: 768px) {
  .kd-fbar { display: none; }
  .kd-footer { padding-bottom: 48px; }
}