:root {
  --ink: #201f2f;
  --muted: #5c5a6f;
  --deep: #2b2742;
  --blue: #0077f1;
  --chip: #1a0f5a;
  --footer: #e2e0e9;
  --wrap: min(1280px, calc(100vw - 48px));
}

body {
  color: var(--ink);
  background: #fff;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  word-break: keep-all;
}

.page { overflow: hidden; }

.reveal-up,
.reveal-stagger {
  opacity: 0;
  transform: translateY(40px);
  will-change: transform, opacity;
  transition: opacity 1.5s ease, transform 1.5s cubic-bezier(.22, 1, .36, 1);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(28px);
  will-change: transform, opacity;
  transition: opacity 1.5s ease, transform 1.5s cubic-bezier(.22, 1, .36, 1);
}

.reveal-up.is-visible,
.reveal-stagger.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > :nth-child(1) { transition-delay: .12s; }
.reveal-stagger.is-visible > :nth-child(2) { transition-delay: .24s; }
.reveal-stagger.is-visible > :nth-child(3) { transition-delay: .36s; }
.reveal-stagger.is-visible > :nth-child(4) { transition-delay: .48s; }
.reveal-stagger.is-visible > :nth-child(5) { transition-delay: .6s; }

.ci {
  width: 245px;
  height: 70px;
  object-fit: contain;
}

.hero-ci {
  display: block;
}

.hero-ci .ci-desktop {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-ci .ci-mobile {
  display: none;
}

.ci-large,
.footer-ci,
.padi-instructor-logo,
.padi-footer-logo {
  flex: 0 0 auto;
}

.padi-instructor-logo {
  width: 89px;
  height: 30px;
  object-fit: contain;
}

.padi-footer-logo {
  width: 119px;
  height: 40px;
  object-fit: contain;
}

.btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 16px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 500;
  line-height: 32px;
  white-space: nowrap;
  transition:
    transform .2s ease,
    box-shadow .2s ease,
    background-color .2s ease,
    border-color .2s ease,
    color .2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(32, 31, 47, .12);
}

.btn-kakao { background: #fae100; }

.btn-kakao:hover {
  background: #3b1d1e;
  color: #fff;
}

.btn-kakao:hover > img:first-child {
  filter: brightness(0) invert(1);
}

.btn-kakao > img:first-child {
  width: 24px;
  height: 23px;
}

.btn-outline {
  border: 1px solid var(--ink);
  background: transparent;
}

.btn-outline:hover {
  background: var(--ink);
  color: #fff;
}

.btn-light {
  border: 1px solid #fff;
  color: #fff;
}

.btn-light:hover {
  background: #fff;
  color: var(--ink);
}

.btn:hover .arrow { filter: brightness(0) invert(1); }
.btn-light:hover .arrow { filter: none; }
.btn .arrow { width: 16px; height: 16px; }
.btn.small { min-height: 36px; font-size: 14px; line-height: 28px; }

@media (prefers-reduced-motion: reduce) {
  .reveal-up,
  .reveal-stagger,
  .reveal-stagger > *,
  *,
  *::before,
  *::after {
    opacity: 1;
    transform: none;
    transition: none;
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}



  br.mobile-break {
    display: none;
  }