/* ── Site nav — 상단 고정 (Style Lab 제거, lab bar 없음) ── */
:root {
  --lab-bar-h: 0px;
}

.nav-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 150;
  padding: 18px 24px;
  transition:
    top 0.36s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.3s ease,
    border-color 0.3s ease,
    padding 0.3s ease;
}
.nav-wrap.is-scrolled {
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(10px) saturate(180%);
  border-bottom: none;
  padding: 11px 24px;
}

.nav {
  max-width: var(--container-max, 768px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  line-height: 1.15;
  transition: color 0.3s ease;
  text-decoration: none;
  flex-shrink: 0;
  cursor: pointer;
}
.nav-logo__academy {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.3s ease;
}
.nav-logo__program {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #e8c75a;
  transition: color 0.3s ease;
}
.nav-wrap.is-scrolled .nav-logo__academy {
  color: rgba(0, 0, 0, 0.5);
}
.nav-wrap.is-scrolled .nav-logo__program {
  color: #b8901f;
}
.nav-wrap.is-scrolled .nav-logo {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-btn,
.nav-cta {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  border-radius: 50px;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  flex-shrink: 0;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.28s ease, border-color 0.28s ease, color 0.28s ease, transform 0.25s ease;
}

.nav-btn {
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
}
.nav-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.32);
  color: #fff;
  transform: translateY(-1px);
}
.nav-wrap.is-scrolled .nav-btn {
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--ink-soft, #444);
  background: transparent;
}
.nav-wrap.is-scrolled .nav-btn:hover {
  border-color: rgba(0, 0, 0, 0.22);
  color: var(--ink, #111);
  background: rgba(0, 0, 0, 0.04);
}

.nav-cta {
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: rgba(255, 255, 255, 0.72);
}
.nav-cta:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.32);
  color: #fff;
  transform: translateY(-1px);
}
.nav-wrap.is-scrolled .nav-cta {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.nav-wrap.is-scrolled .nav-cta:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}
.nav-wrap.is-scrolled .nav-btn--video {
  background: var(--ink, #111111);
  border-color: var(--ink, #111111);
  color: #fff;
}
.nav-wrap.is-scrolled .nav-btn--video:hover {
  background: #000;
  border-color: #000;
  color: #fff;
}

@media (max-width: 719px) {
  .nav-actions {
    gap: 6px;
  }
  .nav-btn,
  .nav-cta {
    min-height: 34px;
    padding: 0 12px;
    font-size: 11px;
  }
}

/* ── OT 핵심 영상 모달 ── */
.ot-video-modal {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.ot-video-modal[hidden] {
  display: none;
}
.ot-video-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 10, 14, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.ot-video-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(960px, 94vw);
  max-height: calc(100vh - 40px);
  padding: 0;
  border-radius: 12px;
  background: #000;
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
}
.ot-video-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.52);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}
.ot-video-modal__close:hover {
  background: rgba(0, 0, 0, 0.72);
}
.ot-video-modal__player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}
.ot-video-modal__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}
.ot-video-modal__temp-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(0, 0, 0, 0.42);
  padding: 5px 10px;
  border-radius: 4px;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
body.is-ot-video-open {
  overflow: hidden;
}

/* ── Stats band (숫자 모션) ── */
:root {
  --stats-band-bg: #322B24;
}
.stats-band {
  background: var(--stats-band-bg);
  padding: 36px 0 0;
}
.stats-band__viewport {
  overflow: hidden;
}
.stats-band__track {
  display: block;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.stat-cell {
  padding: 8px 10px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.07);
}
.stat-cell:nth-child(even) {
  border-right: none;
}
.stat-n {
  display: inline-flex;
  align-items: baseline;
  gap: 0.06em;
  flex-wrap: nowrap;
  white-space: nowrap;
  font-size: clamp(30px, 5.4vw, 42px);
  font-weight: 900;
  line-height: 1;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}
.stat-n .count {
  color: #fff;
}
.stat-n__unit {
  font-size: 0.58em;
  font-weight: 900;
  opacity: 0.38;
  position: relative;
  top: -0.1em;
  letter-spacing: -0.02em;
}
.stat-l {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.38);
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.stats-band > .container {
  max-width: none;
  width: 100%;
  padding: 0;
}
.stats-awards {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 26px;
  padding: 24px 24px 28px;
  background: var(--stats-band-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}
.stats-awards__inner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: var(--container-max, 768px);
  transform: scale(1.1);
  transform-origin: center center;
}
.stats-awards__emblem {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  object-fit: contain;
  transform: translateY(3px);
}
.stats-awards__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  font-size: 12.5px;
  line-height: 1.2;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: -0.01em;
  word-break: keep-all;
  text-align: left;
}
.stats-awards__text b {
  display: block;
  line-height: 1.2;
  color: #d9b955;
  font-weight: 700;
}
@media (min-width: 720px) {
  .stats-awards__emblem {
    width: 80px;
    height: 80px;
    transform: translateY(5px);
  }
  .stats-awards__text {
    font-size: 18.75px;
    gap: 0;
    line-height: 1.3;
  }
  .stats-awards__text b {
    line-height: 1.3;
  }
}

/* 모바일 — 드래그 가능 마키 (JS) */
@media (max-width: 719px) {
  .stats-band__viewport.is-marquee-active,
  .stats-band__track.is-marquee {
    cursor: grab;
    -webkit-user-select: none;
    user-select: none;
  }
  .stats-band__viewport.is-marquee-active {
    touch-action: pan-y;
  }
  .stats-band__viewport.is-marquee-active.is-dragging {
    cursor: grabbing;
  }
  .stats-band__viewport {
    -webkit-mask-image: linear-gradient(
      90deg,
      transparent 0%,
      #000 6%,
      #000 94%,
      transparent 100%
    );
    mask-image: linear-gradient(
      90deg,
      transparent 0%,
      #000 6%,
      #000 94%,
      transparent 100%
    );
  }
  .stats-band__track.is-marquee {
    display: flex;
    width: max-content;
    will-change: transform;
  }
  .stats-band__track.is-marquee .stats-row {
    display: flex;
    flex-shrink: 0;
    grid-template-columns: none;
  }
  .stats-band__track.is-marquee .stat-cell {
    flex: 0 0 auto;
    width: 44vw;
    max-width: 200px;
    padding: 8px 4px;
    border-top: none;
    margin-top: 0;
    padding-top: 10px;
    grid-column: auto;
    border-right: 1px solid rgba(255, 255, 255, 0.07);
  }
  .stats-band__track.is-marquee .stat-cell:nth-child(even) {
    border-right: 1px solid rgba(255, 255, 255, 0.07);
  }
}

@media (min-width: 720px) {
  .stats-band__viewport {
    max-width: var(--container-max, 768px);
    margin: 0 auto;
    padding: 0 24px;
    overflow: visible;
    -webkit-mask-image: none;
    mask-image: none;
  }
  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }
  .stat-l {
    font-size: 14px;
  }
  .stat-cell {
    padding: 8px 6px;
  }
  .stat-cell:nth-child(even) {
    border-right: 1px solid rgba(255, 255, 255, 0.07);
  }
  .stat-cell:last-child {
    border-right: none;
  }
}